diff --git a/gradle.properties b/gradle.properties
index 84dfb76859..0c0272ccfe 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,6 @@
 aspectjVersion=1.9.3
 gaeVersion=1.9.81
-springBootVersion=2.2.7.RELEASE
+springBootVersion=2.2.9.RELEASE
 version=5.3.4.BUILD-SNAPSHOT
 org.gradle.jvmargs=-Xmx3g -XX:MaxPermSize=2048m -XX:+HeapDumpOnOutOfMemoryError
 kotlinVersion=1.3.72