diff --git a/akka-sbt-plugin/sample/project/Build.scala b/akka-sbt-plugin/sample/project/Build.scala
index 5223e097bd..94d85f25a8 100644
--- a/akka-sbt-plugin/sample/project/Build.scala
+++ b/akka-sbt-plugin/sample/project/Build.scala
@@ -7,7 +7,7 @@ import akka.sbt.AkkaKernelPlugin.{ Dist, outputDirectory, distJvmOptions}
 object HelloKernelBuild extends Build {
   val Organization = "akka.sample"
   val Version      = "2.2-SNAPSHOT"
-  val ScalaVersion = "2.10.0-RC3"
+  val ScalaVersion = "2.10.0-RC5"
 
   lazy val HelloKernel = Project(
     id = "hello-kernel",
diff --git a/project/AkkaBuild.scala b/project/AkkaBuild.scala
index db30222621..153f11a552 100644
--- a/project/AkkaBuild.scala
+++ b/project/AkkaBuild.scala
@@ -31,7 +31,7 @@ object AkkaBuild extends Build {
     version      := "2.2-SNAPSHOT",
     // FIXME: use 2.10.0 for final
     // Also change ScalaVersion in akka-sbt-plugin/sample/project/Build.scala
-    scalaVersion := System.getProperty("akka.scalaVersion", "2.10.0-RC3")
+    scalaVersion := System.getProperty("akka.scalaVersion", "2.10.0-RC5")
   )
 
   lazy val akka = Project(