diff --git a/gradle.properties b/gradle.properties
index f92573b2f0..1fa3b1714b 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,3 +1,3 @@
 gaeVersion=1.9.63
 springBootVersion=2.0.1.RELEASE
-version=5.1.0.BUILD-SNAPSHOT
+version=5.1.0.M1