diff --git a/gradle.properties b/gradle.properties
index 748b10451e..88198accd2 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,3 +1,3 @@
 gaeVersion=1.9.68
-springBootVersion=2.1.3.RELEASE
+springBootVersion=2.2.0.M1
 version=5.2.0.BUILD-SNAPSHOT