diff --git a/redis-demo/pom.xml b/redis-demo/pom.xml
index 9d93418..b4cd27d 100644
--- a/redis-demo/pom.xml
+++ b/redis-demo/pom.xml
@@ -43,7 +43,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-webmvc</artifactId>
-            <version>4.3.7.RELEASE</version>
+            <version>5.2.20.RELEASE</version>
         </dependency>
 
         <!-- spring4 -->