diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index a9451c2ab..34650e71a 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -12,10 +12,10 @@ object Dependencies {
     sys.env.get("BUILD_VERSION") orElse sys.props.get("sbt.build.version")
 
   // sbt modules
-  private val ioVersion = nightlyVersion.getOrElse("1.6.0-M1")
+  private val ioVersion = nightlyVersion.getOrElse("1.6.0-M2")
   private val lmVersion =
-    sys.props.get("sbt.build.lm.version").orElse(nightlyVersion).getOrElse("1.6.0-M1")
-  val zincVersion = nightlyVersion.getOrElse("1.6.0-M1")
+    sys.props.get("sbt.build.lm.version").orElse(nightlyVersion).getOrElse("1.6.0-M2")
+  val zincVersion = nightlyVersion.getOrElse("1.6.0-M2")
 
   private val sbtIO = "org.scala-sbt" %% "io" % ioVersion