diff --git a/ivy/Ivy.scala b/ivy/Ivy.scala
index 400490086..a9a5cf8f8 100644
--- a/ivy/Ivy.scala
+++ b/ivy/Ivy.scala
@@ -404,7 +404,7 @@ private object IvySbt
 	{
 		for(dependency <- dependencies)
 		{
-			val dependencyDescriptor = new DefaultDependencyDescriptor(moduleID, toID(dependency), false, dependency.isChanging, dependency.isTransitive)
+			val dependencyDescriptor = new DefaultDependencyDescriptor(moduleID, toID(dependency), dependency.isForce, dependency.isChanging, dependency.isTransitive)
 			dependency.configurations match
 			{
 				case None => // The configuration for this dependency was not explicitly specified, so use the default
diff --git a/ivy/IvyInterface.scala b/ivy/IvyInterface.scala
index d5ffc4d6a..e7d5115d3 100644
--- a/ivy/IvyInterface.scala
+++ b/ivy/IvyInterface.scala
@@ -9,7 +9,7 @@ import scala.xml.NodeSeq
 import org.apache.ivy.plugins.resolver.{DependencyResolver, IBiblioResolver}
 import org.apache.ivy.util.url.CredentialsStore
 
-final case class ModuleID(organization: String, name: String, revision: String, configurations: Option[String] = None, isChanging: Boolean = false, isTransitive: Boolean = true, explicitArtifacts: Seq[Artifact] = Nil, exclusions: Seq[ExclusionRule] = Nil, extraAttributes: Map[String,String] = Map.empty, crossVersion: CrossVersion = CrossVersion.Disabled)
+final case class ModuleID(organization: String, name: String, revision: String, configurations: Option[String] = None, isChanging: Boolean = false, isTransitive: Boolean = true, isForce: Boolean = false, explicitArtifacts: Seq[Artifact] = Nil, exclusions: Seq[ExclusionRule] = Nil, extraAttributes: Map[String,String] = Map.empty, crossVersion: CrossVersion = CrossVersion.Disabled)
 {
 	override def toString =
 		organization + ":" + name + ":" + revision +
@@ -28,6 +28,7 @@ final case class ModuleID(organization: String, name: String, revision: String,
 	def notTransitive() = intransitive()
 	def intransitive() = copy(isTransitive = false)
 	def changing() = copy(isChanging = true)
+	def force() = copy(isForce = true)
 	def from(url: String) = artifacts(Artifact(name, new URL(url)))
 	def classifier(c: String) = artifacts(Artifact(name, c))
 	def artifacts(newArtifacts: Artifact*) = copy(explicitArtifacts = newArtifacts ++ this.explicitArtifacts)
diff --git a/main/actions/CacheIvy.scala b/main/actions/CacheIvy.scala
index 3a5c74b89..468969cb2 100644
--- a/main/actions/CacheIvy.scala
+++ b/main/actions/CacheIvy.scala
@@ -92,9 +92,9 @@ object CacheIvy
 	private[this] val crossToInt = (c: CrossVersion) => c match { case Disabled => 0; case b: Binary => BinaryValue; case f: Full => FullValue }
 
 	implicit def moduleIDFormat(implicit sf: Format[String], af: Format[Artifact], bf: Format[Boolean], ef: Format[ExclusionRule]): Format[ModuleID] =
-		wrap[ModuleID, ((String,String,String,Option[String]),(Boolean,Boolean,Seq[Artifact],Seq[ExclusionRule],Map[String,String],CrossVersion))](
-			m => ((m.organization,m.name,m.revision,m.configurations), (m.isChanging, m.isTransitive, m.explicitArtifacts, m.exclusions, m.extraAttributes, m.crossVersion)),
-			{ case ((o,n,r,cs),(ch,t,as,excl,x,cv)) => ModuleID(o,n,r,cs,ch,t,as,excl,x,cv) }
+		wrap[ModuleID, ((String,String,String,Option[String]),(Boolean,Boolean,Boolean,Seq[Artifact],Seq[ExclusionRule],Map[String,String],CrossVersion))](
+			m => ((m.organization,m.name,m.revision,m.configurations), (m.isChanging, m.isTransitive, m.isForce, m.explicitArtifacts, m.exclusions, m.extraAttributes, m.crossVersion)),
+			{ case ((o,n,r,cs),(ch,t,f,as,excl,x,cv)) => ModuleID(o,n,r,cs,ch,t,f,as,excl,x,cv) }
 		)
 
 	implicit def configurationFormat(implicit sf: Format[String]): Format[Configuration] =
diff --git a/sbt/src/sbt-test/dependency-management/force/project/TestProject.scala b/sbt/src/sbt-test/dependency-management/force/project/TestProject.scala
new file mode 100755
index 000000000..d0d13403c
--- /dev/null
+++ b/sbt/src/sbt-test/dependency-management/force/project/TestProject.scala
@@ -0,0 +1,26 @@
+import sbt._
+import Keys._
+
+object TestProject extends Build
+{
+	lazy val root = Project("root", file(".")) settings(
+		ivyPaths <<= (baseDirectory, target)( (dir, t) => new IvyPaths(dir, Some(t / "ivy-cache"))),
+		libraryDependencies <++= baseDirectory (libraryDeps),
+		TaskKey[Unit]("check-forced") <<= check("1.2.14"),
+		TaskKey[Unit]("check-depend") <<= check("1.2.13")
+	)
+
+	def libraryDeps(base: File) = {
+		val slf4j = Seq("org.slf4j" % "slf4j-log4j12" % "1.1.0")  // Uses log4j 1.2.13
+		if ((base / "force").exists) slf4j :+ ("log4j" % "log4j" % "1.2.14" force()) else slf4j
+	}
+
+	def check(ver: String) =
+		(dependencyClasspath in Compile) map { jars =>
+			val log4j = jars map (_.data) collect {
+				case f if f.getName contains "log4j-" => f.getName
+			}
+			if (log4j.size != 1 || !log4j.head.contains(ver))
+  			error("Did not download the correct jar.")
+		}
+}
diff --git a/sbt/src/sbt-test/dependency-management/force/test b/sbt/src/sbt-test/dependency-management/force/test
new file mode 100755
index 000000000..314b98fd7
--- /dev/null
+++ b/sbt/src/sbt-test/dependency-management/force/test
@@ -0,0 +1,12 @@
+$ touch force
+
+> reload
+
+> check-forced
+-> check-depend
+
+$ delete force
+> reload
+
+-> check-forced
+> check-depend
\ No newline at end of file