diff --git a/build.sbt b/build.sbt
index 7f98affae..15b9d73b0 100644
--- a/build.sbt
+++ b/build.sbt
@@ -140,6 +140,54 @@ lazy val lmCore = (project in file("core"))
       exclude[DirectMissingMethodProblem]("sbt.librarymanagement.ArtifactExtra.classifier"),
       exclude[DirectMissingMethodProblem]("sbt.librarymanagement.ArtifactExtra.extension"),
       exclude[DirectMissingMethodProblem]("sbt.librarymanagement.ArtifactTypeFilterExtra.types"),
+
+      // contraband issue
+      exclude[DirectMissingMethodProblem]("sbt.internal.librarymanagement.ConfigurationReportLite.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.internal.librarymanagement.UpdateReportLite.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.Artifact.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.ArtifactTypeFilter.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.Binary.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.Caller.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.ChainedResolver.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.Checksum.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.ConfigRef.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.ConfigurationReport.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.ConflictManager.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.Constant.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.Developer.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.Disabled.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.FileConfiguration.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.FileRepository.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.Full.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.GetClassifiersConfiguration.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.GetClassifiersModule.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.InclExclRule.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.IvyFileConfiguration.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.KeyFileAuthentication.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.MakePomConfiguration.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.MavenCache.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.MavenRepo.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.ModuleConfiguration.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.ModuleDescriptorConfiguration.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.ModuleID.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.ModuleInfo.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.ModuleReport.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.OrganizationArtifactReport.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.PasswordAuthentication.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.Patch.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.Patterns.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.PomConfiguration.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.PublishConfiguration.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.RetrieveConfiguration.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.ScalaModuleInfo.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.ScmInfo.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.SftpRepository.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.SshConnection.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.SshRepository.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.UpdateConfiguration.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.UpdateReport.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.UpdateStats.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.URLRepository.copy*"),
     ),
   )
   .configure(addSbtIO, addSbtUtilLogging, addSbtUtilPosition, addSbtUtilCache)
@@ -162,6 +210,11 @@ lazy val lmIvy = (project in file("ivy"))
       exclude[DirectMissingMethodProblem]("sbt.internal.librarymanagement.ivyint.GigahorseUrlHandler#SbtUrlInfo.this"),
       exclude[IncompatibleMethTypeProblem]("sbt.internal.librarymanagement.ivyint.GigahorseUrlHandler#SbtUrlInfo.this"),
       exclude[DirectMissingMethodProblem]("sbt.internal.librarymanagement.ivyint.GigahorseUrlHandler.checkStatusCode"),
+
+      // contraband issue
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.ivy.ExternalIvyConfiguration.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.ivy.InlineIvyConfiguration.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.librarymanagement.ivy.IvyPaths.copy*"),
     ),
   )
 
diff --git a/core/src/main/contraband-scala/sbt/internal/librarymanagement/ConfigurationReportLite.scala b/core/src/main/contraband-scala/sbt/internal/librarymanagement/ConfigurationReportLite.scala
index 7570d3356..e43ee8de8 100644
--- a/core/src/main/contraband-scala/sbt/internal/librarymanagement/ConfigurationReportLite.scala
+++ b/core/src/main/contraband-scala/sbt/internal/librarymanagement/ConfigurationReportLite.scala
@@ -20,7 +20,7 @@ final class ConfigurationReportLite private (
   override def toString: String = {
     "ConfigurationReportLite(" + configuration + ", " + details + ")"
   }
-  protected[this] def copy(configuration: String = configuration, details: Vector[sbt.librarymanagement.OrganizationArtifactReport] = details): ConfigurationReportLite = {
+  private[this] def copy(configuration: String = configuration, details: Vector[sbt.librarymanagement.OrganizationArtifactReport] = details): ConfigurationReportLite = {
     new ConfigurationReportLite(configuration, details)
   }
   def withConfiguration(configuration: String): ConfigurationReportLite = {
diff --git a/core/src/main/contraband-scala/sbt/internal/librarymanagement/UpdateReportLite.scala b/core/src/main/contraband-scala/sbt/internal/librarymanagement/UpdateReportLite.scala
index 350fff041..864709b5d 100644
--- a/core/src/main/contraband-scala/sbt/internal/librarymanagement/UpdateReportLite.scala
+++ b/core/src/main/contraband-scala/sbt/internal/librarymanagement/UpdateReportLite.scala
@@ -19,7 +19,7 @@ final class UpdateReportLite private (
   override def toString: String = {
     "UpdateReportLite(" + configurations + ")"
   }
-  protected[this] def copy(configurations: Vector[sbt.internal.librarymanagement.ConfigurationReportLite] = configurations): UpdateReportLite = {
+  private[this] def copy(configurations: Vector[sbt.internal.librarymanagement.ConfigurationReportLite] = configurations): UpdateReportLite = {
     new UpdateReportLite(configurations)
   }
   def withConfigurations(configurations: Vector[sbt.internal.librarymanagement.ConfigurationReportLite]): UpdateReportLite = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/Artifact.scala b/core/src/main/contraband-scala/sbt/librarymanagement/Artifact.scala
index 92c623050..d337cb364 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/Artifact.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/Artifact.scala
@@ -26,7 +26,7 @@ final class Artifact private (
   override def toString: String = {
     "Artifact(" + name + ", " + `type` + ", " + extension + ", " + classifier + ", " + configurations + ", " + url + ", " + extraAttributes + ", " + checksum + ")"
   }
-  protected[this] def copy(name: String = name, `type`: String = `type`, extension: String = extension, classifier: Option[String] = classifier, configurations: Vector[sbt.librarymanagement.ConfigRef] = configurations, url: Option[java.net.URL] = url, extraAttributes: Map[String, String] = extraAttributes, checksum: Option[sbt.librarymanagement.Checksum] = checksum): Artifact = {
+  private[this] def copy(name: String = name, `type`: String = `type`, extension: String = extension, classifier: Option[String] = classifier, configurations: Vector[sbt.librarymanagement.ConfigRef] = configurations, url: Option[java.net.URL] = url, extraAttributes: Map[String, String] = extraAttributes, checksum: Option[sbt.librarymanagement.Checksum] = checksum): Artifact = {
     new Artifact(name, `type`, extension, classifier, configurations, url, extraAttributes, checksum)
   }
   def withName(name: String): Artifact = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/ArtifactTypeFilter.scala b/core/src/main/contraband-scala/sbt/librarymanagement/ArtifactTypeFilter.scala
index 3086e498e..fa68be8f1 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/ArtifactTypeFilter.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/ArtifactTypeFilter.scala
@@ -27,7 +27,7 @@ final class ArtifactTypeFilter private (
   override def toString: String = {
     "ArtifactTypeFilter(" + types + ", " + inverted + ")"
   }
-  protected[this] def copy(types: Set[String] = types, inverted: Boolean = inverted): ArtifactTypeFilter = {
+  private[this] def copy(types: Set[String] = types, inverted: Boolean = inverted): ArtifactTypeFilter = {
     new ArtifactTypeFilter(types, inverted)
   }
   def withTypes(types: Set[String]): ArtifactTypeFilter = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/Binary.scala b/core/src/main/contraband-scala/sbt/librarymanagement/Binary.scala
index b66b5f737..3cc75b328 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/Binary.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/Binary.scala
@@ -26,7 +26,7 @@ final class Binary private (
   override def toString: String = {
     "Binary(" + prefix + ", " + suffix + ")"
   }
-  protected[this] def copy(prefix: String = prefix, suffix: String = suffix): Binary = {
+  private[this] def copy(prefix: String = prefix, suffix: String = suffix): Binary = {
     new Binary(prefix, suffix)
   }
   def withPrefix(prefix: String): Binary = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/Caller.scala b/core/src/main/contraband-scala/sbt/librarymanagement/Caller.scala
index cbf57fa13..b29caaf26 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/Caller.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/Caller.scala
@@ -25,7 +25,7 @@ final class Caller private (
   override def toString: String = {
     s"$caller"
   }
-  protected[this] def copy(caller: sbt.librarymanagement.ModuleID = caller, callerConfigurations: Vector[sbt.librarymanagement.ConfigRef] = callerConfigurations, callerExtraAttributes: Map[String, String] = callerExtraAttributes, isForceDependency: Boolean = isForceDependency, isChangingDependency: Boolean = isChangingDependency, isTransitiveDependency: Boolean = isTransitiveDependency, isDirectlyForceDependency: Boolean = isDirectlyForceDependency): Caller = {
+  private[this] def copy(caller: sbt.librarymanagement.ModuleID = caller, callerConfigurations: Vector[sbt.librarymanagement.ConfigRef] = callerConfigurations, callerExtraAttributes: Map[String, String] = callerExtraAttributes, isForceDependency: Boolean = isForceDependency, isChangingDependency: Boolean = isChangingDependency, isTransitiveDependency: Boolean = isTransitiveDependency, isDirectlyForceDependency: Boolean = isDirectlyForceDependency): Caller = {
     new Caller(caller, callerConfigurations, callerExtraAttributes, isForceDependency, isChangingDependency, isTransitiveDependency, isDirectlyForceDependency)
   }
   def withCaller(caller: sbt.librarymanagement.ModuleID): Caller = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/ChainedResolver.scala b/core/src/main/contraband-scala/sbt/librarymanagement/ChainedResolver.scala
index 19215a7c8..d98e6d1cb 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/ChainedResolver.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/ChainedResolver.scala
@@ -20,7 +20,7 @@ final class ChainedResolver private (
   override def toString: String = {
     "ChainedResolver(" + name + ", " + resolvers + ")"
   }
-  protected[this] def copy(name: String = name, resolvers: Vector[sbt.librarymanagement.Resolver] = resolvers): ChainedResolver = {
+  private[this] def copy(name: String = name, resolvers: Vector[sbt.librarymanagement.Resolver] = resolvers): ChainedResolver = {
     new ChainedResolver(name, resolvers)
   }
   def withName(name: String): ChainedResolver = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/Checksum.scala b/core/src/main/contraband-scala/sbt/librarymanagement/Checksum.scala
index 2a699be36..20f136226 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/Checksum.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/Checksum.scala
@@ -20,7 +20,7 @@ final class Checksum private (
   override def toString: String = {
     "Checksum(" + digest + ", " + `type` + ")"
   }
-  protected[this] def copy(digest: String = digest, `type`: String = `type`): Checksum = {
+  private[this] def copy(digest: String = digest, `type`: String = `type`): Checksum = {
     new Checksum(digest, `type`)
   }
   def withDigest(digest: String): Checksum = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/ConfigRef.scala b/core/src/main/contraband-scala/sbt/librarymanagement/ConfigRef.scala
index 78e47af49..30cba07f5 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/ConfigRef.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/ConfigRef.scala
@@ -21,7 +21,7 @@ final class ConfigRef private (
   override def toString: String = {
     name
   }
-  protected[this] def copy(name: String = name): ConfigRef = {
+  private[this] def copy(name: String = name): ConfigRef = {
     new ConfigRef(name)
   }
   def withName(name: String): ConfigRef = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/ConfigurationReport.scala b/core/src/main/contraband-scala/sbt/librarymanagement/ConfigurationReport.scala
index a11155f73..228a8fdbe 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/ConfigurationReport.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/ConfigurationReport.scala
@@ -27,7 +27,7 @@ final class ConfigurationReport private (
     (if (details.isEmpty) modules.mkString + details.flatMap(_.modules).filter(_.evicted).map("\t\t(EVICTED) " + _ + "\n").mkString
     else details.mkString)
   }
-  protected[this] def copy(configuration: sbt.librarymanagement.ConfigRef = configuration, modules: Vector[sbt.librarymanagement.ModuleReport] = modules, details: Vector[sbt.librarymanagement.OrganizationArtifactReport] = details): ConfigurationReport = {
+  private[this] def copy(configuration: sbt.librarymanagement.ConfigRef = configuration, modules: Vector[sbt.librarymanagement.ModuleReport] = modules, details: Vector[sbt.librarymanagement.OrganizationArtifactReport] = details): ConfigurationReport = {
     new ConfigurationReport(configuration, modules, details)
   }
   def withConfiguration(configuration: sbt.librarymanagement.ConfigRef): ConfigurationReport = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/ConflictManager.scala b/core/src/main/contraband-scala/sbt/librarymanagement/ConflictManager.scala
index 97e9737bf..b4022dda4 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/ConflictManager.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/ConflictManager.scala
@@ -22,7 +22,7 @@ final class ConflictManager private (
   override def toString: String = {
     "ConflictManager(" + name + ", " + organization + ", " + module + ")"
   }
-  protected[this] def copy(name: String = name, organization: String = organization, module: String = module): ConflictManager = {
+  private[this] def copy(name: String = name, organization: String = organization, module: String = module): ConflictManager = {
     new ConflictManager(name, organization, module)
   }
   def withName(name: String): ConflictManager = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/Constant.scala b/core/src/main/contraband-scala/sbt/librarymanagement/Constant.scala
index 148546958..8380dccf5 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/Constant.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/Constant.scala
@@ -20,7 +20,7 @@ final class Constant private (
   override def toString: String = {
     "Constant(" + value + ")"
   }
-  protected[this] def copy(value: String = value): Constant = {
+  private[this] def copy(value: String = value): Constant = {
     new Constant(value)
   }
   def withValue(value: String): Constant = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/Developer.scala b/core/src/main/contraband-scala/sbt/librarymanagement/Developer.scala
index d1c69eec9..30c20f3b9 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/Developer.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/Developer.scala
@@ -22,7 +22,7 @@ final class Developer private (
   override def toString: String = {
     "Developer(" + id + ", " + name + ", " + email + ", " + url + ")"
   }
-  protected[this] def copy(id: String = id, name: String = name, email: String = email, url: java.net.URL = url): Developer = {
+  private[this] def copy(id: String = id, name: String = name, email: String = email, url: java.net.URL = url): Developer = {
     new Developer(id, name, email, url)
   }
   def withId(id: String): Developer = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/Disabled.scala b/core/src/main/contraband-scala/sbt/librarymanagement/Disabled.scala
index 6a3ccde72..f53c8b541 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/Disabled.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/Disabled.scala
@@ -19,7 +19,7 @@ override def hashCode: Int = {
 override def toString: String = {
   "Disabled()"
 }
-protected[this] def copy(): Disabled = {
+private[this] def copy(): Disabled = {
   new Disabled()
 }
 
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/FileConfiguration.scala b/core/src/main/contraband-scala/sbt/librarymanagement/FileConfiguration.scala
index 4787d4bfb..376efe8e4 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/FileConfiguration.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/FileConfiguration.scala
@@ -21,7 +21,7 @@ final class FileConfiguration private (
   override def toString: String = {
     "FileConfiguration(" + isLocal + ", " + isTransactional + ")"
   }
-  protected[this] def copy(isLocal: Boolean = isLocal, isTransactional: Option[Boolean] = isTransactional): FileConfiguration = {
+  private[this] def copy(isLocal: Boolean = isLocal, isTransactional: Option[Boolean] = isTransactional): FileConfiguration = {
     new FileConfiguration(isLocal, isTransactional)
   }
   def withIsLocal(isLocal: Boolean): FileConfiguration = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/FileRepository.scala b/core/src/main/contraband-scala/sbt/librarymanagement/FileRepository.scala
index 8bbf9f976..75790b075 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/FileRepository.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/FileRepository.scala
@@ -23,7 +23,7 @@ final class FileRepository private (
   override def toString: String = {
     "FileRepository(" + name + ", " + patterns + ", " + configuration + ")"
   }
-  protected[this] def copy(name: String = name, patterns: sbt.librarymanagement.Patterns = patterns, configuration: sbt.librarymanagement.FileConfiguration = configuration): FileRepository = {
+  private[this] def copy(name: String = name, patterns: sbt.librarymanagement.Patterns = patterns, configuration: sbt.librarymanagement.FileConfiguration = configuration): FileRepository = {
     new FileRepository(name, patterns, configuration)
   }
   def withName(name: String): FileRepository = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/Full.scala b/core/src/main/contraband-scala/sbt/librarymanagement/Full.scala
index 71ea0fc87..cd2416d7e 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/Full.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/Full.scala
@@ -26,7 +26,7 @@ final class Full private (
   override def toString: String = {
     "Full(" + prefix + ", " + suffix + ")"
   }
-  protected[this] def copy(prefix: String = prefix, suffix: String = suffix): Full = {
+  private[this] def copy(prefix: String = prefix, suffix: String = suffix): Full = {
     new Full(prefix, suffix)
   }
   def withPrefix(prefix: String): Full = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/GetClassifiersConfiguration.scala b/core/src/main/contraband-scala/sbt/librarymanagement/GetClassifiersConfiguration.scala
index 200aa87fe..1448c1d9e 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/GetClassifiersConfiguration.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/GetClassifiersConfiguration.scala
@@ -23,7 +23,7 @@ final class GetClassifiersConfiguration private (
   override def toString: String = {
     "GetClassifiersConfiguration(" + module + ", " + excludes + ", " + updateConfiguration + ", " + sourceArtifactTypes + ", " + docArtifactTypes + ")"
   }
-  protected[this] def copy(module: sbt.librarymanagement.GetClassifiersModule = module, excludes: Vector[scala.Tuple2[sbt.librarymanagement.ModuleID, scala.Vector[sbt.librarymanagement.ConfigRef]]] = excludes, updateConfiguration: sbt.librarymanagement.UpdateConfiguration = updateConfiguration, sourceArtifactTypes: Vector[String] = sourceArtifactTypes, docArtifactTypes: Vector[String] = docArtifactTypes): GetClassifiersConfiguration = {
+  private[this] def copy(module: sbt.librarymanagement.GetClassifiersModule = module, excludes: Vector[scala.Tuple2[sbt.librarymanagement.ModuleID, scala.Vector[sbt.librarymanagement.ConfigRef]]] = excludes, updateConfiguration: sbt.librarymanagement.UpdateConfiguration = updateConfiguration, sourceArtifactTypes: Vector[String] = sourceArtifactTypes, docArtifactTypes: Vector[String] = docArtifactTypes): GetClassifiersConfiguration = {
     new GetClassifiersConfiguration(module, excludes, updateConfiguration, sourceArtifactTypes, docArtifactTypes)
   }
   def withModule(module: sbt.librarymanagement.GetClassifiersModule): GetClassifiersConfiguration = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/GetClassifiersModule.scala b/core/src/main/contraband-scala/sbt/librarymanagement/GetClassifiersModule.scala
index 147ba44ae..3f69e3a36 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/GetClassifiersModule.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/GetClassifiersModule.scala
@@ -23,7 +23,7 @@ final class GetClassifiersModule private (
   override def toString: String = {
     "GetClassifiersModule(" + id + ", " + scalaModuleInfo + ", " + dependencies + ", " + configurations + ", " + classifiers + ")"
   }
-  protected[this] def copy(id: sbt.librarymanagement.ModuleID = id, scalaModuleInfo: Option[sbt.librarymanagement.ScalaModuleInfo] = scalaModuleInfo, dependencies: Vector[sbt.librarymanagement.ModuleID] = dependencies, configurations: Vector[sbt.librarymanagement.Configuration] = configurations, classifiers: Vector[String] = classifiers): GetClassifiersModule = {
+  private[this] def copy(id: sbt.librarymanagement.ModuleID = id, scalaModuleInfo: Option[sbt.librarymanagement.ScalaModuleInfo] = scalaModuleInfo, dependencies: Vector[sbt.librarymanagement.ModuleID] = dependencies, configurations: Vector[sbt.librarymanagement.Configuration] = configurations, classifiers: Vector[String] = classifiers): GetClassifiersModule = {
     new GetClassifiersModule(id, scalaModuleInfo, dependencies, configurations, classifiers)
   }
   def withId(id: sbt.librarymanagement.ModuleID): GetClassifiersModule = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/InclExclRule.scala b/core/src/main/contraband-scala/sbt/librarymanagement/InclExclRule.scala
index a6f1ec1dd..f37f2de74 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/InclExclRule.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/InclExclRule.scala
@@ -32,7 +32,7 @@ final class InclExclRule private (
   override def toString: String = {
     "InclExclRule(" + organization + ", " + name + ", " + artifact + ", " + configurations + ", " + crossVersion + ")"
   }
-  protected[this] def copy(organization: String = organization, name: String = name, artifact: String = artifact, configurations: Vector[sbt.librarymanagement.ConfigRef] = configurations, crossVersion: sbt.librarymanagement.CrossVersion = crossVersion): InclExclRule = {
+  private[this] def copy(organization: String = organization, name: String = name, artifact: String = artifact, configurations: Vector[sbt.librarymanagement.ConfigRef] = configurations, crossVersion: sbt.librarymanagement.CrossVersion = crossVersion): InclExclRule = {
     new InclExclRule(organization, name, artifact, configurations, crossVersion)
   }
   def withOrganization(organization: String): InclExclRule = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/IvyFileConfiguration.scala b/core/src/main/contraband-scala/sbt/librarymanagement/IvyFileConfiguration.scala
index 1136de05c..98a005c1c 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/IvyFileConfiguration.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/IvyFileConfiguration.scala
@@ -22,7 +22,7 @@ final class IvyFileConfiguration private (
   override def toString: String = {
     "IvyFileConfiguration(" + validate + ", " + scalaModuleInfo + ", " + file + ", " + autoScalaTools + ")"
   }
-  protected[this] def copy(validate: Boolean = validate, scalaModuleInfo: Option[sbt.librarymanagement.ScalaModuleInfo] = scalaModuleInfo, file: java.io.File = file, autoScalaTools: Boolean = autoScalaTools): IvyFileConfiguration = {
+  private[this] def copy(validate: Boolean = validate, scalaModuleInfo: Option[sbt.librarymanagement.ScalaModuleInfo] = scalaModuleInfo, file: java.io.File = file, autoScalaTools: Boolean = autoScalaTools): IvyFileConfiguration = {
     new IvyFileConfiguration(validate, scalaModuleInfo, file, autoScalaTools)
   }
   def withValidate(validate: Boolean): IvyFileConfiguration = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/KeyFileAuthentication.scala b/core/src/main/contraband-scala/sbt/librarymanagement/KeyFileAuthentication.scala
index e696a61d4..d818a88c8 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/KeyFileAuthentication.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/KeyFileAuthentication.scala
@@ -21,7 +21,7 @@ final class KeyFileAuthentication private (
   override def toString: String = {
     "KeyFileAuthentication(" + user + ", " + keyfile + ", " + password + ")"
   }
-  protected[this] def copy(user: String = user, keyfile: java.io.File = keyfile, password: Option[String] = password): KeyFileAuthentication = {
+  private[this] def copy(user: String = user, keyfile: java.io.File = keyfile, password: Option[String] = password): KeyFileAuthentication = {
     new KeyFileAuthentication(user, keyfile, password)
   }
   def withUser(user: String): KeyFileAuthentication = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/MakePomConfiguration.scala b/core/src/main/contraband-scala/sbt/librarymanagement/MakePomConfiguration.scala
index 5570f01c6..e7d0ffe2c 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/MakePomConfiguration.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/MakePomConfiguration.scala
@@ -26,7 +26,7 @@ final class MakePomConfiguration private (
   override def toString: String = {
     "MakePomConfiguration(" + file + ", " + moduleInfo + ", " + configurations + ", " + extra + ", " + process + ", " + filterRepositories + ", " + allRepositories + ", " + includeTypes + ")"
   }
-  protected[this] def copy(file: Option[java.io.File] = file, moduleInfo: Option[sbt.librarymanagement.ModuleInfo] = moduleInfo, configurations: Option[scala.Vector[sbt.librarymanagement.Configuration]] = configurations, extra: Option[scala.xml.NodeSeq] = extra, process: scala.Function1[scala.xml.Node, scala.xml.Node] = process, filterRepositories: scala.Function1[sbt.librarymanagement.MavenRepository, Boolean] = filterRepositories, allRepositories: Boolean = allRepositories, includeTypes: Set[String] = includeTypes): MakePomConfiguration = {
+  private[this] def copy(file: Option[java.io.File] = file, moduleInfo: Option[sbt.librarymanagement.ModuleInfo] = moduleInfo, configurations: Option[scala.Vector[sbt.librarymanagement.Configuration]] = configurations, extra: Option[scala.xml.NodeSeq] = extra, process: scala.Function1[scala.xml.Node, scala.xml.Node] = process, filterRepositories: scala.Function1[sbt.librarymanagement.MavenRepository, Boolean] = filterRepositories, allRepositories: Boolean = allRepositories, includeTypes: Set[String] = includeTypes): MakePomConfiguration = {
     new MakePomConfiguration(file, moduleInfo, configurations, extra, process, filterRepositories, allRepositories, includeTypes)
   }
   def withFile(file: Option[java.io.File]): MakePomConfiguration = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/MavenCache.scala b/core/src/main/contraband-scala/sbt/librarymanagement/MavenCache.scala
index 3f10f8e04..b1501e3d4 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/MavenCache.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/MavenCache.scala
@@ -27,7 +27,7 @@ final class MavenCache private (
   override def toString: String = {
     s"cache:$name: ${rootFile.getAbsolutePath}"
   }
-  protected[this] def copy(name: String = name, root: String = root, localIfFile: Boolean = localIfFile, rootFile: java.io.File = rootFile): MavenCache = {
+  private[this] def copy(name: String = name, root: String = root, localIfFile: Boolean = localIfFile, rootFile: java.io.File = rootFile): MavenCache = {
     new MavenCache(name, root, localIfFile, rootFile)
   }
   def withName(name: String): MavenCache = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/MavenRepo.scala b/core/src/main/contraband-scala/sbt/librarymanagement/MavenRepo.scala
index db4a4d64b..b01c6d8a9 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/MavenRepo.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/MavenRepo.scala
@@ -21,7 +21,7 @@ final class MavenRepo private (
   override def toString: String = {
     s"$name: $root"
   }
-  protected[this] def copy(name: String = name, root: String = root, localIfFile: Boolean = localIfFile): MavenRepo = {
+  private[this] def copy(name: String = name, root: String = root, localIfFile: Boolean = localIfFile): MavenRepo = {
     new MavenRepo(name, root, localIfFile)
   }
   def withName(name: String): MavenRepo = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/ModuleConfiguration.scala b/core/src/main/contraband-scala/sbt/librarymanagement/ModuleConfiguration.scala
index 38accc410..3bd4b9591 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/ModuleConfiguration.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/ModuleConfiguration.scala
@@ -22,7 +22,7 @@ final class ModuleConfiguration private (
   override def toString: String = {
     "ModuleConfiguration(" + organization + ", " + name + ", " + revision + ", " + resolver + ")"
   }
-  protected[this] def copy(organization: String = organization, name: String = name, revision: String = revision, resolver: sbt.librarymanagement.Resolver = resolver): ModuleConfiguration = {
+  private[this] def copy(organization: String = organization, name: String = name, revision: String = revision, resolver: sbt.librarymanagement.Resolver = resolver): ModuleConfiguration = {
     new ModuleConfiguration(organization, name, revision, resolver)
   }
   def withOrganization(organization: String): ModuleConfiguration = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/ModuleDescriptorConfiguration.scala b/core/src/main/contraband-scala/sbt/librarymanagement/ModuleDescriptorConfiguration.scala
index 215a0c367..8d79275e6 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/ModuleDescriptorConfiguration.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/ModuleDescriptorConfiguration.scala
@@ -29,7 +29,7 @@ final class ModuleDescriptorConfiguration private (
   override def toString: String = {
     "ModuleDescriptorConfiguration(" + validate + ", " + scalaModuleInfo + ", " + module + ", " + moduleInfo + ", " + dependencies + ", " + overrides + ", " + excludes + ", " + ivyXML + ", " + configurations + ", " + defaultConfiguration + ", " + conflictManager + ")"
   }
-  protected[this] def copy(validate: Boolean = validate, scalaModuleInfo: Option[sbt.librarymanagement.ScalaModuleInfo] = scalaModuleInfo, module: sbt.librarymanagement.ModuleID = module, moduleInfo: sbt.librarymanagement.ModuleInfo = moduleInfo, dependencies: Vector[sbt.librarymanagement.ModuleID] = dependencies, overrides: Vector[sbt.librarymanagement.ModuleID] = overrides, excludes: Vector[sbt.librarymanagement.InclExclRule] = excludes, ivyXML: scala.xml.NodeSeq = ivyXML, configurations: Vector[sbt.librarymanagement.Configuration] = configurations, defaultConfiguration: Option[sbt.librarymanagement.Configuration] = defaultConfiguration, conflictManager: sbt.librarymanagement.ConflictManager = conflictManager): ModuleDescriptorConfiguration = {
+  private[this] def copy(validate: Boolean = validate, scalaModuleInfo: Option[sbt.librarymanagement.ScalaModuleInfo] = scalaModuleInfo, module: sbt.librarymanagement.ModuleID = module, moduleInfo: sbt.librarymanagement.ModuleInfo = moduleInfo, dependencies: Vector[sbt.librarymanagement.ModuleID] = dependencies, overrides: Vector[sbt.librarymanagement.ModuleID] = overrides, excludes: Vector[sbt.librarymanagement.InclExclRule] = excludes, ivyXML: scala.xml.NodeSeq = ivyXML, configurations: Vector[sbt.librarymanagement.Configuration] = configurations, defaultConfiguration: Option[sbt.librarymanagement.Configuration] = defaultConfiguration, conflictManager: sbt.librarymanagement.ConflictManager = conflictManager): ModuleDescriptorConfiguration = {
     new ModuleDescriptorConfiguration(validate, scalaModuleInfo, module, moduleInfo, dependencies, overrides, excludes, ivyXML, configurations, defaultConfiguration, conflictManager)
   }
   def withValidate(validate: Boolean): ModuleDescriptorConfiguration = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/ModuleID.scala b/core/src/main/contraband-scala/sbt/librarymanagement/ModuleID.scala
index eafa0dd95..485f8c533 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/ModuleID.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/ModuleID.scala
@@ -31,7 +31,7 @@ final class ModuleID private (
   override def toString: String = {
     this.toStringImpl
   }
-  protected[this] def copy(organization: String = organization, name: String = name, revision: String = revision, configurations: Option[String] = configurations, isChanging: Boolean = isChanging, isTransitive: Boolean = isTransitive, isForce: Boolean = isForce, explicitArtifacts: Vector[sbt.librarymanagement.Artifact] = explicitArtifacts, inclusions: Vector[sbt.librarymanagement.InclExclRule] = inclusions, exclusions: Vector[sbt.librarymanagement.InclExclRule] = exclusions, extraAttributes: Map[String, String] = extraAttributes, crossVersion: sbt.librarymanagement.CrossVersion = crossVersion, branchName: Option[String] = branchName): ModuleID = {
+  private[this] def copy(organization: String = organization, name: String = name, revision: String = revision, configurations: Option[String] = configurations, isChanging: Boolean = isChanging, isTransitive: Boolean = isTransitive, isForce: Boolean = isForce, explicitArtifacts: Vector[sbt.librarymanagement.Artifact] = explicitArtifacts, inclusions: Vector[sbt.librarymanagement.InclExclRule] = inclusions, exclusions: Vector[sbt.librarymanagement.InclExclRule] = exclusions, extraAttributes: Map[String, String] = extraAttributes, crossVersion: sbt.librarymanagement.CrossVersion = crossVersion, branchName: Option[String] = branchName): ModuleID = {
     new ModuleID(organization, name, revision, configurations, isChanging, isTransitive, isForce, explicitArtifacts, inclusions, exclusions, extraAttributes, crossVersion, branchName)
   }
   def withOrganization(organization: String): ModuleID = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/ModuleInfo.scala b/core/src/main/contraband-scala/sbt/librarymanagement/ModuleInfo.scala
index e41ca76fb..545941120 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/ModuleInfo.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/ModuleInfo.scala
@@ -28,7 +28,7 @@ final class ModuleInfo private (
   override def toString: String = {
     "ModuleInfo(" + nameFormal + ", " + description + ", " + homepage + ", " + startYear + ", " + licenses + ", " + organizationName + ", " + organizationHomepage + ", " + scmInfo + ", " + developers + ")"
   }
-  protected[this] def copy(nameFormal: String = nameFormal, description: String = description, homepage: Option[java.net.URL] = homepage, startYear: Option[Int] = startYear, licenses: Vector[scala.Tuple2[String, java.net.URL]] = licenses, organizationName: String = organizationName, organizationHomepage: Option[java.net.URL] = organizationHomepage, scmInfo: Option[sbt.librarymanagement.ScmInfo] = scmInfo, developers: Vector[sbt.librarymanagement.Developer] = developers): ModuleInfo = {
+  private[this] def copy(nameFormal: String = nameFormal, description: String = description, homepage: Option[java.net.URL] = homepage, startYear: Option[Int] = startYear, licenses: Vector[scala.Tuple2[String, java.net.URL]] = licenses, organizationName: String = organizationName, organizationHomepage: Option[java.net.URL] = organizationHomepage, scmInfo: Option[sbt.librarymanagement.ScmInfo] = scmInfo, developers: Vector[sbt.librarymanagement.Developer] = developers): ModuleInfo = {
     new ModuleInfo(nameFormal, description, homepage, startYear, licenses, organizationName, organizationHomepage, scmInfo, developers)
   }
   def withNameFormal(nameFormal: String): ModuleInfo = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/ModuleReport.scala b/core/src/main/contraband-scala/sbt/librarymanagement/ModuleReport.scala
index 3de609527..22c028d26 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/ModuleReport.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/ModuleReport.scala
@@ -41,7 +41,7 @@ final class ModuleReport private (
     s"\t\t$module: " +
     (if (arts.size <= 1) "" else "\n\t\t\t") + arts.mkString("\n\t\t\t") + "\n"
   }
-  protected[this] def copy(module: sbt.librarymanagement.ModuleID = module, artifacts: Vector[scala.Tuple2[sbt.librarymanagement.Artifact, java.io.File]] = artifacts, missingArtifacts: Vector[sbt.librarymanagement.Artifact] = missingArtifacts, status: Option[String] = status, publicationDate: Option[java.util.Calendar] = publicationDate, resolver: Option[String] = resolver, artifactResolver: Option[String] = artifactResolver, evicted: Boolean = evicted, evictedData: Option[String] = evictedData, evictedReason: Option[String] = evictedReason, problem: Option[String] = problem, homepage: Option[String] = homepage, extraAttributes: Map[String, String] = extraAttributes, isDefault: Option[Boolean] = isDefault, branch: Option[String] = branch, configurations: Vector[sbt.librarymanagement.ConfigRef] = configurations, licenses: Vector[scala.Tuple2[String, Option[String]]] = licenses, callers: Vector[sbt.librarymanagement.Caller] = callers): ModuleReport = {
+  private[this] def copy(module: sbt.librarymanagement.ModuleID = module, artifacts: Vector[scala.Tuple2[sbt.librarymanagement.Artifact, java.io.File]] = artifacts, missingArtifacts: Vector[sbt.librarymanagement.Artifact] = missingArtifacts, status: Option[String] = status, publicationDate: Option[java.util.Calendar] = publicationDate, resolver: Option[String] = resolver, artifactResolver: Option[String] = artifactResolver, evicted: Boolean = evicted, evictedData: Option[String] = evictedData, evictedReason: Option[String] = evictedReason, problem: Option[String] = problem, homepage: Option[String] = homepage, extraAttributes: Map[String, String] = extraAttributes, isDefault: Option[Boolean] = isDefault, branch: Option[String] = branch, configurations: Vector[sbt.librarymanagement.ConfigRef] = configurations, licenses: Vector[scala.Tuple2[String, Option[String]]] = licenses, callers: Vector[sbt.librarymanagement.Caller] = callers): ModuleReport = {
     new ModuleReport(module, artifacts, missingArtifacts, status, publicationDate, resolver, artifactResolver, evicted, evictedData, evictedReason, problem, homepage, extraAttributes, isDefault, branch, configurations, licenses, callers)
   }
   def withModule(module: sbt.librarymanagement.ModuleID): ModuleReport = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/OrganizationArtifactReport.scala b/core/src/main/contraband-scala/sbt/librarymanagement/OrganizationArtifactReport.scala
index 112c4708b..0bef821d4 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/OrganizationArtifactReport.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/OrganizationArtifactReport.scala
@@ -33,7 +33,7 @@ final class OrganizationArtifactReport private (
     val details = modules map { _.detailReport }
     s"\t$organization:$name\n${details.mkString}\n"
   }
-  protected[this] def copy(organization: String = organization, name: String = name, modules: Vector[sbt.librarymanagement.ModuleReport] = modules): OrganizationArtifactReport = {
+  private[this] def copy(organization: String = organization, name: String = name, modules: Vector[sbt.librarymanagement.ModuleReport] = modules): OrganizationArtifactReport = {
     new OrganizationArtifactReport(organization, name, modules)
   }
   def withOrganization(organization: String): OrganizationArtifactReport = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/PasswordAuthentication.scala b/core/src/main/contraband-scala/sbt/librarymanagement/PasswordAuthentication.scala
index a67739cc5..93de4085d 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/PasswordAuthentication.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/PasswordAuthentication.scala
@@ -20,7 +20,7 @@ final class PasswordAuthentication private (
   override def toString: String = {
     "PasswordAuthentication(" + user + ", " + password + ")"
   }
-  protected[this] def copy(user: String = user, password: Option[String] = password): PasswordAuthentication = {
+  private[this] def copy(user: String = user, password: Option[String] = password): PasswordAuthentication = {
     new PasswordAuthentication(user, password)
   }
   def withUser(user: String): PasswordAuthentication = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/Patch.scala b/core/src/main/contraband-scala/sbt/librarymanagement/Patch.scala
index 65ec50436..217f7583e 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/Patch.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/Patch.scala
@@ -22,7 +22,7 @@ override def hashCode: Int = {
 override def toString: String = {
   "Patch()"
 }
-protected[this] def copy(): Patch = {
+private[this] def copy(): Patch = {
   new Patch()
 }
 
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/Patterns.scala b/core/src/main/contraband-scala/sbt/librarymanagement/Patterns.scala
index de2a54d98..57c0d03c4 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/Patterns.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/Patterns.scala
@@ -24,7 +24,7 @@ final class Patterns private (
     "Patterns(ivyPatterns=%s, artifactPatterns=%s, isMavenCompatible=%s, descriptorOptional=%s, skipConsistencyCheck=%s)".format(
     ivyPatterns, artifactPatterns, isMavenCompatible, descriptorOptional, skipConsistencyCheck)
   }
-  protected[this] def copy(ivyPatterns: Vector[String] = ivyPatterns, artifactPatterns: Vector[String] = artifactPatterns, isMavenCompatible: Boolean = isMavenCompatible, descriptorOptional: Boolean = descriptorOptional, skipConsistencyCheck: Boolean = skipConsistencyCheck): Patterns = {
+  private[this] def copy(ivyPatterns: Vector[String] = ivyPatterns, artifactPatterns: Vector[String] = artifactPatterns, isMavenCompatible: Boolean = isMavenCompatible, descriptorOptional: Boolean = descriptorOptional, skipConsistencyCheck: Boolean = skipConsistencyCheck): Patterns = {
     new Patterns(ivyPatterns, artifactPatterns, isMavenCompatible, descriptorOptional, skipConsistencyCheck)
   }
   def withIvyPatterns(ivyPatterns: Vector[String]): Patterns = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/PomConfiguration.scala b/core/src/main/contraband-scala/sbt/librarymanagement/PomConfiguration.scala
index e9cbf9219..f36a34149 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/PomConfiguration.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/PomConfiguration.scala
@@ -22,7 +22,7 @@ final class PomConfiguration private (
   override def toString: String = {
     "PomConfiguration(" + validate + ", " + scalaModuleInfo + ", " + file + ", " + autoScalaTools + ")"
   }
-  protected[this] def copy(validate: Boolean = validate, scalaModuleInfo: Option[sbt.librarymanagement.ScalaModuleInfo] = scalaModuleInfo, file: java.io.File = file, autoScalaTools: Boolean = autoScalaTools): PomConfiguration = {
+  private[this] def copy(validate: Boolean = validate, scalaModuleInfo: Option[sbt.librarymanagement.ScalaModuleInfo] = scalaModuleInfo, file: java.io.File = file, autoScalaTools: Boolean = autoScalaTools): PomConfiguration = {
     new PomConfiguration(validate, scalaModuleInfo, file, autoScalaTools)
   }
   def withValidate(validate: Boolean): PomConfiguration = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/PublishConfiguration.scala b/core/src/main/contraband-scala/sbt/librarymanagement/PublishConfiguration.scala
index 3adc81fcf..0b0bafa46 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/PublishConfiguration.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/PublishConfiguration.scala
@@ -27,7 +27,7 @@ final class PublishConfiguration private (
   override def toString: String = {
     "PublishConfiguration(" + publishMavenStyle + ", " + deliverIvyPattern + ", " + status + ", " + configurations + ", " + resolverName + ", " + artifacts + ", " + checksums + ", " + logging + ", " + overwrite + ")"
   }
-  protected[this] def copy(publishMavenStyle: Boolean = publishMavenStyle, deliverIvyPattern: Option[String] = deliverIvyPattern, status: Option[String] = status, configurations: Option[scala.Vector[sbt.librarymanagement.ConfigRef]] = configurations, resolverName: Option[String] = resolverName, artifacts: Vector[scala.Tuple2[sbt.librarymanagement.Artifact, java.io.File]] = artifacts, checksums: scala.Vector[String] = checksums, logging: Option[sbt.librarymanagement.UpdateLogging] = logging, overwrite: Boolean = overwrite): PublishConfiguration = {
+  private[this] def copy(publishMavenStyle: Boolean = publishMavenStyle, deliverIvyPattern: Option[String] = deliverIvyPattern, status: Option[String] = status, configurations: Option[scala.Vector[sbt.librarymanagement.ConfigRef]] = configurations, resolverName: Option[String] = resolverName, artifacts: Vector[scala.Tuple2[sbt.librarymanagement.Artifact, java.io.File]] = artifacts, checksums: scala.Vector[String] = checksums, logging: Option[sbt.librarymanagement.UpdateLogging] = logging, overwrite: Boolean = overwrite): PublishConfiguration = {
     new PublishConfiguration(publishMavenStyle, deliverIvyPattern, status, configurations, resolverName, artifacts, checksums, logging, overwrite)
   }
   def withPublishMavenStyle(publishMavenStyle: Boolean): PublishConfiguration = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/RetrieveConfiguration.scala b/core/src/main/contraband-scala/sbt/librarymanagement/RetrieveConfiguration.scala
index 205218b04..814b688dd 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/RetrieveConfiguration.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/RetrieveConfiguration.scala
@@ -23,7 +23,7 @@ final class RetrieveConfiguration private (
   override def toString: String = {
     "RetrieveConfiguration(" + retrieveDirectory + ", " + outputPattern + ", " + sync + ", " + configurationsToRetrieve + ")"
   }
-  protected[this] def copy(retrieveDirectory: Option[java.io.File] = retrieveDirectory, outputPattern: Option[String] = outputPattern, sync: Boolean = sync, configurationsToRetrieve: Option[scala.Vector[sbt.librarymanagement.ConfigRef]] = configurationsToRetrieve): RetrieveConfiguration = {
+  private[this] def copy(retrieveDirectory: Option[java.io.File] = retrieveDirectory, outputPattern: Option[String] = outputPattern, sync: Boolean = sync, configurationsToRetrieve: Option[scala.Vector[sbt.librarymanagement.ConfigRef]] = configurationsToRetrieve): RetrieveConfiguration = {
     new RetrieveConfiguration(retrieveDirectory, outputPattern, sync, configurationsToRetrieve)
   }
   def withRetrieveDirectory(retrieveDirectory: Option[java.io.File]): RetrieveConfiguration = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/ScalaModuleInfo.scala b/core/src/main/contraband-scala/sbt/librarymanagement/ScalaModuleInfo.scala
index 36431b387..0f938830b 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/ScalaModuleInfo.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/ScalaModuleInfo.scala
@@ -26,7 +26,7 @@ final class ScalaModuleInfo private (
   override def toString: String = {
     "ScalaModuleInfo(" + scalaFullVersion + ", " + scalaBinaryVersion + ", " + configurations + ", " + checkExplicit + ", " + filterImplicit + ", " + overrideScalaVersion + ", " + scalaOrganization + ", " + scalaArtifacts + ")"
   }
-  protected[this] def copy(scalaFullVersion: String = scalaFullVersion, scalaBinaryVersion: String = scalaBinaryVersion, configurations: Vector[sbt.librarymanagement.Configuration] = configurations, checkExplicit: Boolean = checkExplicit, filterImplicit: Boolean = filterImplicit, overrideScalaVersion: Boolean = overrideScalaVersion, scalaOrganization: String = scalaOrganization, scalaArtifacts: scala.Vector[String] = scalaArtifacts): ScalaModuleInfo = {
+  private[this] def copy(scalaFullVersion: String = scalaFullVersion, scalaBinaryVersion: String = scalaBinaryVersion, configurations: Vector[sbt.librarymanagement.Configuration] = configurations, checkExplicit: Boolean = checkExplicit, filterImplicit: Boolean = filterImplicit, overrideScalaVersion: Boolean = overrideScalaVersion, scalaOrganization: String = scalaOrganization, scalaArtifacts: scala.Vector[String] = scalaArtifacts): ScalaModuleInfo = {
     new ScalaModuleInfo(scalaFullVersion, scalaBinaryVersion, configurations, checkExplicit, filterImplicit, overrideScalaVersion, scalaOrganization, scalaArtifacts)
   }
   def withScalaFullVersion(scalaFullVersion: String): ScalaModuleInfo = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/ScmInfo.scala b/core/src/main/contraband-scala/sbt/librarymanagement/ScmInfo.scala
index 713654f4e..4d40ee514 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/ScmInfo.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/ScmInfo.scala
@@ -22,7 +22,7 @@ final class ScmInfo private (
   override def toString: String = {
     "ScmInfo(" + browseUrl + ", " + connection + ", " + devConnection + ")"
   }
-  protected[this] def copy(browseUrl: java.net.URL = browseUrl, connection: String = connection, devConnection: Option[String] = devConnection): ScmInfo = {
+  private[this] def copy(browseUrl: java.net.URL = browseUrl, connection: String = connection, devConnection: Option[String] = devConnection): ScmInfo = {
     new ScmInfo(browseUrl, connection, devConnection)
   }
   def withBrowseUrl(browseUrl: java.net.URL): ScmInfo = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/SftpRepository.scala b/core/src/main/contraband-scala/sbt/librarymanagement/SftpRepository.scala
index 63734d7ef..6bd5679c7 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/SftpRepository.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/SftpRepository.scala
@@ -23,7 +23,7 @@ final class SftpRepository private (
   override def toString: String = {
     "SftpRepository(" + name + ", " + patterns + ", " + connection + ")"
   }
-  protected[this] def copy(name: String = name, patterns: sbt.librarymanagement.Patterns = patterns, connection: sbt.librarymanagement.SshConnection = connection): SftpRepository = {
+  private[this] def copy(name: String = name, patterns: sbt.librarymanagement.Patterns = patterns, connection: sbt.librarymanagement.SshConnection = connection): SftpRepository = {
     new SftpRepository(name, patterns, connection)
   }
   def withName(name: String): SftpRepository = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/SshConnection.scala b/core/src/main/contraband-scala/sbt/librarymanagement/SshConnection.scala
index 5e105ebef..a722ce55a 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/SshConnection.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/SshConnection.scala
@@ -21,7 +21,7 @@ final class SshConnection private (
   override def toString: String = {
     "SshConnection(" + authentication + ", " + hostname + ", " + port + ")"
   }
-  protected[this] def copy(authentication: Option[sbt.librarymanagement.SshAuthentication] = authentication, hostname: Option[String] = hostname, port: Option[Int] = port): SshConnection = {
+  private[this] def copy(authentication: Option[sbt.librarymanagement.SshAuthentication] = authentication, hostname: Option[String] = hostname, port: Option[Int] = port): SshConnection = {
     new SshConnection(authentication, hostname, port)
   }
   def withAuthentication(authentication: Option[sbt.librarymanagement.SshAuthentication]): SshConnection = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/SshRepository.scala b/core/src/main/contraband-scala/sbt/librarymanagement/SshRepository.scala
index ca7af27ed..4cb9a18b8 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/SshRepository.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/SshRepository.scala
@@ -24,7 +24,7 @@ final class SshRepository private (
   override def toString: String = {
     "SshRepository(" + name + ", " + patterns + ", " + connection + ", " + publishPermissions + ")"
   }
-  protected[this] def copy(name: String = name, patterns: sbt.librarymanagement.Patterns = patterns, connection: sbt.librarymanagement.SshConnection = connection, publishPermissions: Option[String] = publishPermissions): SshRepository = {
+  private[this] def copy(name: String = name, patterns: sbt.librarymanagement.Patterns = patterns, connection: sbt.librarymanagement.SshConnection = connection, publishPermissions: Option[String] = publishPermissions): SshRepository = {
     new SshRepository(name, patterns, connection, publishPermissions)
   }
   def withName(name: String): SshRepository = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/URLRepository.scala b/core/src/main/contraband-scala/sbt/librarymanagement/URLRepository.scala
index 41a52e655..1768cacda 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/URLRepository.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/URLRepository.scala
@@ -20,7 +20,7 @@ final class URLRepository private (
   override def toString: String = {
     "URLRepository(" + name + ", " + patterns + ")"
   }
-  protected[this] def copy(name: String = name, patterns: sbt.librarymanagement.Patterns = patterns): URLRepository = {
+  private[this] def copy(name: String = name, patterns: sbt.librarymanagement.Patterns = patterns): URLRepository = {
     new URLRepository(name, patterns)
   }
   def withName(name: String): URLRepository = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/UpdateConfiguration.scala b/core/src/main/contraband-scala/sbt/librarymanagement/UpdateConfiguration.scala
index 39fce50be..533a24542 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/UpdateConfiguration.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/UpdateConfiguration.scala
@@ -37,7 +37,7 @@ final class UpdateConfiguration private (
   override def toString: String = {
     "UpdateConfiguration(" + retrieveManaged + ", " + missingOk + ", " + logging + ", " + logicalClock + ", " + metadataDirectory + ", " + artifactFilter + ", " + offline + ", " + frozen + ")"
   }
-  protected[this] def copy(retrieveManaged: Option[sbt.librarymanagement.RetrieveConfiguration] = retrieveManaged, missingOk: Boolean = missingOk, logging: sbt.librarymanagement.UpdateLogging = logging, logicalClock: sbt.librarymanagement.LogicalClock = logicalClock, metadataDirectory: Option[java.io.File] = metadataDirectory, artifactFilter: Option[sbt.librarymanagement.ArtifactTypeFilter] = artifactFilter, offline: Boolean = offline, frozen: Boolean = frozen): UpdateConfiguration = {
+  private[this] def copy(retrieveManaged: Option[sbt.librarymanagement.RetrieveConfiguration] = retrieveManaged, missingOk: Boolean = missingOk, logging: sbt.librarymanagement.UpdateLogging = logging, logicalClock: sbt.librarymanagement.LogicalClock = logicalClock, metadataDirectory: Option[java.io.File] = metadataDirectory, artifactFilter: Option[sbt.librarymanagement.ArtifactTypeFilter] = artifactFilter, offline: Boolean = offline, frozen: Boolean = frozen): UpdateConfiguration = {
     new UpdateConfiguration(retrieveManaged, missingOk, logging, logicalClock, metadataDirectory, artifactFilter, offline, frozen)
   }
   def withRetrieveManaged(retrieveManaged: Option[sbt.librarymanagement.RetrieveConfiguration]): UpdateConfiguration = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/UpdateReport.scala b/core/src/main/contraband-scala/sbt/librarymanagement/UpdateReport.scala
index 91da13639..5ad396e00 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/UpdateReport.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/UpdateReport.scala
@@ -30,7 +30,7 @@ final class UpdateReport private (
   override def toString: String = {
     "Update report:\n\t" + stats + "\n" + configurations.mkString
   }
-  protected[this] def copy(cachedDescriptor: java.io.File = cachedDescriptor, configurations: Vector[sbt.librarymanagement.ConfigurationReport] = configurations, stats: sbt.librarymanagement.UpdateStats = stats, stamps: Map[java.io.File, Long] = stamps): UpdateReport = {
+  private[this] def copy(cachedDescriptor: java.io.File = cachedDescriptor, configurations: Vector[sbt.librarymanagement.ConfigurationReport] = configurations, stats: sbt.librarymanagement.UpdateStats = stats, stamps: Map[java.io.File, Long] = stamps): UpdateReport = {
     new UpdateReport(cachedDescriptor, configurations, stats, stamps)
   }
   def withCachedDescriptor(cachedDescriptor: java.io.File): UpdateReport = {
diff --git a/core/src/main/contraband-scala/sbt/librarymanagement/UpdateStats.scala b/core/src/main/contraband-scala/sbt/librarymanagement/UpdateStats.scala
index 408223e24..ef2b53738 100644
--- a/core/src/main/contraband-scala/sbt/librarymanagement/UpdateStats.scala
+++ b/core/src/main/contraband-scala/sbt/librarymanagement/UpdateStats.scala
@@ -22,7 +22,7 @@ final class UpdateStats private (
   override def toString: String = {
     Seq("Resolve time: " + resolveTime + " ms", "Download time: " + downloadTime + " ms", "Download size: " + downloadSize + " bytes").mkString(", ")
   }
-  protected[this] def copy(resolveTime: Long = resolveTime, downloadTime: Long = downloadTime, downloadSize: Long = downloadSize, cached: Boolean = cached): UpdateStats = {
+  private[this] def copy(resolveTime: Long = resolveTime, downloadTime: Long = downloadTime, downloadSize: Long = downloadSize, cached: Boolean = cached): UpdateStats = {
     new UpdateStats(resolveTime, downloadTime, downloadSize, cached)
   }
   def withResolveTime(resolveTime: Long): UpdateStats = {
diff --git a/ivy/src/main/contraband-scala/sbt/librarymanagement/ivy/ExternalIvyConfiguration.scala b/ivy/src/main/contraband-scala/sbt/librarymanagement/ivy/ExternalIvyConfiguration.scala
index a0293ea63..b1d74e539 100644
--- a/ivy/src/main/contraband-scala/sbt/librarymanagement/ivy/ExternalIvyConfiguration.scala
+++ b/ivy/src/main/contraband-scala/sbt/librarymanagement/ivy/ExternalIvyConfiguration.scala
@@ -24,7 +24,7 @@ final class ExternalIvyConfiguration private (
   override def toString: String = {
     "ExternalIvyConfiguration(" + lock + ", " + log + ", " + updateOptions + ", " + baseDirectory + ", " + uri + ", " + extraResolvers + ")"
   }
-  protected[this] def copy(lock: Option[xsbti.GlobalLock] = lock, log: Option[xsbti.Logger] = log, updateOptions: sbt.librarymanagement.ivy.UpdateOptions = updateOptions, baseDirectory: Option[java.io.File] = baseDirectory, uri: Option[java.net.URI] = uri, extraResolvers: Vector[sbt.librarymanagement.Resolver] = extraResolvers): ExternalIvyConfiguration = {
+  private[this] def copy(lock: Option[xsbti.GlobalLock] = lock, log: Option[xsbti.Logger] = log, updateOptions: sbt.librarymanagement.ivy.UpdateOptions = updateOptions, baseDirectory: Option[java.io.File] = baseDirectory, uri: Option[java.net.URI] = uri, extraResolvers: Vector[sbt.librarymanagement.Resolver] = extraResolvers): ExternalIvyConfiguration = {
     new ExternalIvyConfiguration(lock, log, updateOptions, baseDirectory, uri, extraResolvers)
   }
   def withLock(lock: Option[xsbti.GlobalLock]): ExternalIvyConfiguration = {
diff --git a/ivy/src/main/contraband-scala/sbt/librarymanagement/ivy/InlineIvyConfiguration.scala b/ivy/src/main/contraband-scala/sbt/librarymanagement/ivy/InlineIvyConfiguration.scala
index 1baa4aeb3..f6d920fdf 100644
--- a/ivy/src/main/contraband-scala/sbt/librarymanagement/ivy/InlineIvyConfiguration.scala
+++ b/ivy/src/main/contraband-scala/sbt/librarymanagement/ivy/InlineIvyConfiguration.scala
@@ -28,7 +28,7 @@ final class InlineIvyConfiguration private (
   override def toString: String = {
     "InlineIvyConfiguration(" + lock + ", " + log + ", " + updateOptions + ", " + paths + ", " + resolvers + ", " + otherResolvers + ", " + moduleConfigurations + ", " + checksums + ", " + managedChecksums + ", " + resolutionCacheDir + ")"
   }
-  protected[this] def copy(lock: Option[xsbti.GlobalLock] = lock, log: Option[xsbti.Logger] = log, updateOptions: sbt.librarymanagement.ivy.UpdateOptions = updateOptions, paths: Option[sbt.librarymanagement.ivy.IvyPaths] = paths, resolvers: Vector[sbt.librarymanagement.Resolver] = resolvers, otherResolvers: Vector[sbt.librarymanagement.Resolver] = otherResolvers, moduleConfigurations: Vector[sbt.librarymanagement.ModuleConfiguration] = moduleConfigurations, checksums: Vector[String] = checksums, managedChecksums: Boolean = managedChecksums, resolutionCacheDir: Option[java.io.File] = resolutionCacheDir): InlineIvyConfiguration = {
+  private[this] def copy(lock: Option[xsbti.GlobalLock] = lock, log: Option[xsbti.Logger] = log, updateOptions: sbt.librarymanagement.ivy.UpdateOptions = updateOptions, paths: Option[sbt.librarymanagement.ivy.IvyPaths] = paths, resolvers: Vector[sbt.librarymanagement.Resolver] = resolvers, otherResolvers: Vector[sbt.librarymanagement.Resolver] = otherResolvers, moduleConfigurations: Vector[sbt.librarymanagement.ModuleConfiguration] = moduleConfigurations, checksums: Vector[String] = checksums, managedChecksums: Boolean = managedChecksums, resolutionCacheDir: Option[java.io.File] = resolutionCacheDir): InlineIvyConfiguration = {
     new InlineIvyConfiguration(lock, log, updateOptions, paths, resolvers, otherResolvers, moduleConfigurations, checksums, managedChecksums, resolutionCacheDir)
   }
   def withLock(lock: Option[xsbti.GlobalLock]): InlineIvyConfiguration = {
diff --git a/ivy/src/main/contraband-scala/sbt/librarymanagement/ivy/IvyPaths.scala b/ivy/src/main/contraband-scala/sbt/librarymanagement/ivy/IvyPaths.scala
index 562419c40..e1a8e41f0 100644
--- a/ivy/src/main/contraband-scala/sbt/librarymanagement/ivy/IvyPaths.scala
+++ b/ivy/src/main/contraband-scala/sbt/librarymanagement/ivy/IvyPaths.scala
@@ -20,7 +20,7 @@ final class IvyPaths private (
   override def toString: String = {
     "IvyPaths(" + baseDirectory + ", " + ivyHome + ")"
   }
-  protected[this] def copy(baseDirectory: java.io.File = baseDirectory, ivyHome: Option[java.io.File] = ivyHome): IvyPaths = {
+  private[this] def copy(baseDirectory: java.io.File = baseDirectory, ivyHome: Option[java.io.File] = ivyHome): IvyPaths = {
     new IvyPaths(baseDirectory, ivyHome)
   }
   def withBaseDirectory(baseDirectory: java.io.File): IvyPaths = {
diff --git a/project/plugins.sbt b/project/plugins.sbt
index d2c95eb4c..2cec48aed 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,4 +1,4 @@
 addSbtPlugin("org.scala-sbt" % "sbt-houserules" % "0.3.5")
-addSbtPlugin("org.scala-sbt" % "sbt-contraband" % "0.3.3")
+addSbtPlugin("org.scala-sbt" % "sbt-contraband" % "0.4.0")
 
 scalacOptions += "-language:postfixOps"