diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 5abeae7d75..ed1a8e9504 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -10,7 +10,7 @@ object Dependencies {
   lazy val scalaCheckVersion = settingKey[String]("The version of ScalaCheck to use.")
 
   val Versions = Seq(
-    crossScalaVersions := Seq("2.11.6", "2.12.0-M2"),
+    crossScalaVersions := Seq("2.11.6"), //"2.12.0-M2"
     scalaVersion := crossScalaVersions.value.head,
     scalaStmVersion := sys.props.get("akka.build.scalaStmVersion").getOrElse("0.7"),
     scalaCheckVersion := sys.props.get("akka.build.scalaCheckVersion").getOrElse("1.11.6"),