diff --git a/src/pom.xml b/src/pom.xml
index 1f08aa84d3..10ade4aabb 100644
--- a/src/pom.xml
+++ b/src/pom.xml
@@ -1951,7 +1951,7 @@
   <gt.version>24-SNAPSHOT</gt.version>
   <gwc.version>1.18-SNAPSHOT</gwc.version>
   <jts.version>1.17.0</jts.version>
-  <spring.version>5.1.16.RELEASE</spring.version>
+  <spring.version>5.2.21.RELEASE</spring.version>
   <spring.security.version>5.1.11.RELEASE</spring.security.version>
   <servlet-api.version>3.0.1</servlet-api.version>
   <jetty.version>9.4.18.v20190429</jetty.version>