diff --git a/gradle.properties b/gradle.properties
index 3abffbff26..84ac09f34e 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,3 +1,3 @@
 gaeVersion=1.9.64
 springBootVersion=2.0.3.RELEASE
-version=5.1.0.M2
+version=5.1.0.BUILD-SNAPSHOT