diff --git a/project/Sbt.scala b/project/Sbt.scala
index f3a48ab52..845da8623 100644
--- a/project/Sbt.scala
+++ b/project/Sbt.scala
@@ -91,7 +91,7 @@ object Sbt extends Build
 	lazy val compileInterfaceSub = baseProject(compilePath / "interface", "Compiler Interface") dependsOn(interfaceSub, ioSub % "test->test", logSub % "test->test", launchSub % "test->test") settings( compileInterfaceSettings : _*)
 	lazy val precompiled290 = precompiled("2.9.0")
 	lazy val precompiled281 = precompiled("2.8.1")
-	lazy val precompiled280 = precompiled("2.8.0")
+	lazy val precompiled2100 = precompiled("2.10.0-M2")
 
 		// Implements the core functionality of detecting and propagating changes incrementally.
 		//   Defines the data structures for representing file fingerprints and relationships and the overall source analysis
@@ -120,7 +120,7 @@ object Sbt extends Build
 		// Strictly for bringing implicits and aliases from subsystems into the top-level sbt namespace through a single package object
 		//  technically, we need a dependency on all of mainSub's dependencies, but we don't do that since this is strictly an integration project
 		//  with the sole purpose of providing certain identifiers without qualification (with a package object)
-	lazy val sbtSub = baseProject(sbtPath, "Simple Build Tool") dependsOn(mainSub, compileInterfaceSub, precompiled281, precompiled280, precompiled290, scriptedSbtSub % "test->test") settings(sbtSettings : _*)
+	lazy val sbtSub = baseProject(sbtPath, "Simple Build Tool") dependsOn(mainSub, compileInterfaceSub, precompiled281, precompiled2100, precompiled290, scriptedSbtSub % "test->test") settings(sbtSettings : _*)
 
 		/* Nested subproject paths */
 	def sbtPath = file("sbt")