diff --git a/build.sbt b/build.sbt
index cb650d28..d9b07e4a 100644
--- a/build.sbt
+++ b/build.sbt
@@ -45,7 +45,7 @@ lazy val commonSettings = Seq(
   fork in test := true,
   parallelExecution in test := false,
   addCompilerPlugin("org.spire-math" %% "kind-projector" % "0.9.4"),
-  version in ThisBuild := "0.0.1-M2",
+  version in ThisBuild := "0.0.1-M3",
   scalacOpts
 )