diff --git a/gradle.properties b/gradle.properties
index 58488d35..db96325b 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -7,7 +7,7 @@ findbugsVersion=3.0.2
 multithreadedtcVersion=1.01
 pivotalCloudCacheVersion=1.14.4
 pivotalGemFireVersion=9.10.15
-springVersion=5.3.20
+springVersion=5.3.21
 springBootVersion=2.6.9-SNAPSHOT
 springCloudBindingsVersion=1.8.1
 springDataBomVersion=2021.1.4