diff --git a/build.sbt b/build.sbt
index 53009bf1b..f9726ff0c 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,6 +1,6 @@
 import Dependencies._
 import Util._
-//import com.typesafe.tools.mima.core._, ProblemFilters._
+import com.typesafe.tools.mima.core._, ProblemFilters._
 
 def internalPath = file("internal")
 
@@ -119,6 +119,11 @@ lazy val utilLogging = (project in internalPath / "util-logging")
       else old(tpe)
     },
     mimaSettings,
+    mimaBinaryIssueFilters ++= Seq(
+      exclude[DirectMissingMethodProblem]("sbt.internal.util.SuccessEvent.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.internal.util.TraceEvent.copy*"),
+      exclude[DirectMissingMethodProblem]("sbt.internal.util.StringEvent.copy*"),
+    ),
   )
   .configure(addSbtIO)
 
diff --git a/internal/util-logging/src/main/contraband-scala/sbt/internal/util/StringEvent.scala b/internal/util-logging/src/main/contraband-scala/sbt/internal/util/StringEvent.scala
index 83e697ec6..ef4ff4b9b 100644
--- a/internal/util-logging/src/main/contraband-scala/sbt/internal/util/StringEvent.scala
+++ b/internal/util-logging/src/main/contraband-scala/sbt/internal/util/StringEvent.scala
@@ -22,7 +22,7 @@ final class StringEvent private (
   override def toString: String = {
     "StringEvent(" + level + ", " + message + ", " + channelName + ", " + execId + ")"
   }
-  protected[this] def copy(level: String = level, message: String = message, channelName: Option[String] = channelName, execId: Option[String] = execId): StringEvent = {
+  private[this] def copy(level: String = level, message: String = message, channelName: Option[String] = channelName, execId: Option[String] = execId): StringEvent = {
     new StringEvent(level, message, channelName, execId)
   }
   def withLevel(level: String): StringEvent = {
diff --git a/internal/util-logging/src/main/contraband-scala/sbt/internal/util/SuccessEvent.scala b/internal/util-logging/src/main/contraband-scala/sbt/internal/util/SuccessEvent.scala
index 9fdcc8e09..6d00a7eb3 100644
--- a/internal/util-logging/src/main/contraband-scala/sbt/internal/util/SuccessEvent.scala
+++ b/internal/util-logging/src/main/contraband-scala/sbt/internal/util/SuccessEvent.scala
@@ -19,7 +19,7 @@ final class SuccessEvent private (
   override def toString: String = {
     "SuccessEvent(" + message + ")"
   }
-  protected[this] def copy(message: String = message): SuccessEvent = {
+  private[this] def copy(message: String = message): SuccessEvent = {
     new SuccessEvent(message)
   }
   def withMessage(message: String): SuccessEvent = {
diff --git a/internal/util-logging/src/main/contraband-scala/sbt/internal/util/TraceEvent.scala b/internal/util-logging/src/main/contraband-scala/sbt/internal/util/TraceEvent.scala
index 7775220fc..afc7d522e 100644
--- a/internal/util-logging/src/main/contraband-scala/sbt/internal/util/TraceEvent.scala
+++ b/internal/util-logging/src/main/contraband-scala/sbt/internal/util/TraceEvent.scala
@@ -22,7 +22,7 @@ final class TraceEvent private (
   override def toString: String = {
     "TraceEvent(" + level + ", " + message + ", " + channelName + ", " + execId + ")"
   }
-  protected[this] def copy(level: String = level, message: Throwable = message, channelName: Option[String] = channelName, execId: Option[String] = execId): TraceEvent = {
+  private[this] def copy(level: String = level, message: Throwable = message, channelName: Option[String] = channelName, execId: Option[String] = execId): TraceEvent = {
     new TraceEvent(level, message, channelName, execId)
   }
   def withLevel(level: String): TraceEvent = {
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 6d4cbfa9e..d66b8ef69 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -5,7 +5,7 @@ import sbt.contraband.ContrabandPlugin.autoImport._
 object Dependencies {
   val scala210 = "2.10.7"
   val scala211 = "2.11.12"
-  val scala212 = "2.12.4"
+  val scala212 = "2.12.6"
 
   private val ioVersion = "1.1.3"
 
@@ -40,9 +40,8 @@ object Dependencies {
   val scalaCompiler = Def.setting { "org.scala-lang" % "scala-compiler" % scalaVersion.value }
   val scalaReflect = Def.setting { "org.scala-lang" % "scala-reflect" % scalaVersion.value }
 
-  val scalaCheck = "org.scalacheck" %% "scalacheck" % "1.13.4" % Test
-  val scalaTest  = "org.scalatest"  %% "scalatest"  % "3.0.1"  % Test
-
+  val scalaCheck = "org.scalacheck" %% "scalacheck" % "1.14.0" % Test
+  val scalaTest  = "org.scalatest"  %% "scalatest"  % "3.0.5" % Test
   val parserCombinator211 = "org.scala-lang.modules" %% "scala-parser-combinators" % "1.0.4"
 
   val sjsonnew = Def.setting {
diff --git a/project/build.properties b/project/build.properties
index 05313438a..64cf32f7f 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.1.2
+sbt.version=1.1.4
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 7f3392433..f32aab9fb 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,3 +1,3 @@
-addSbtPlugin("org.scala-sbt" % "sbt-houserules"  % "0.3.5")
-addSbtPlugin("org.scala-sbt" % "sbt-contraband"  % "0.3.2")
+addSbtPlugin("org.scala-sbt" % "sbt-houserules" % "0.3.6")
+addSbtPlugin("org.scala-sbt" % "sbt-contraband" % "0.4.0")
 addSbtPlugin("com.lightbend" % "sbt-whitesource" % "0.1.9")