diff --git a/examples/spring-4x-sample/pom.xml b/examples/spring-4x-sample/pom.xml
index 05286dde..4e808866 100644
--- a/examples/spring-4x-sample/pom.xml
+++ b/examples/spring-4x-sample/pom.xml
@@ -9,7 +9,7 @@
   <packaging>war</packaging>
 
   <properties>
-    <spring.version>5.3.18</spring.version>
+    <spring.version>5.3.20</spring.version>
 
     <servletapi.version>2.5</servletapi.version>
     <slf4j.version>1.6.1</slf4j.version>