diff --git a/versions.properties b/versions.properties
index ad3d659aeea3..be197af2ace0 100644
--- a/versions.properties
+++ b/versions.properties
@@ -5,10 +5,10 @@
 # also add them to the update.versions mechanism in build.xml,
 # which is used by the release script scripts/jobs/integrate/bootstrap
 
-# The scala version used for boostrapping. This has no impact on the final classfiles:
+# The scala version used for bootstrapping. This has no impact on the final classfiles:
 # there are two stages (locker and quick), so compiler and library are always built
 # with themselves. Stability is ensured by building a third stage (strap).
-starr.version=2.12.0-M1
+starr.version=2.12.0-M2
 
 # These are the versions of the modules that go with this release.
 # These properties are used during PR validation and in dbuild builds.
@@ -18,8 +18,8 @@ starr.version=2.12.0-M1
 # It has to be set in the following way:
 #  - After 2.x.0 is released, the binary version is 2.x.
 #  - During milestones and RCs, modules are cross-built against the full version.
-#    So the value is the full version (e.g. 2.12.0-M1).
-scala.binary.version=2.12.0-M1
+#    So the value is the full version (e.g. 2.12.0-M2).
+scala.binary.version=2.12.0-M2
 
 # external modules shipped with distribution, as specified by scala-library-all's pom
 scala-xml.version.number=1.0.4