diff --git a/gradle.properties b/gradle.properties
index 45764ce4e9..4797028c8b 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,3 +1,3 @@
 gaeVersion=1.9.75
-springBootVersion=2.2.0.M3
+springBootVersion=2.2.0.M4
 version=5.2.0.BUILD-SNAPSHOT