diff --git a/gradle.properties b/gradle.properties
index 4e83af4ca2..3b8ca8f73b 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,3 +1,3 @@
 gaeVersion=1.9.71
 springBootVersion=2.1.12.RELEASE
-version=5.1.8.RELEASE
+version=5.1.9.BUILD-SNAPSHOT