diff --git a/demo/pom.xml b/demo/pom.xml
index d099f82..ef7d963 100644
--- a/demo/pom.xml
+++ b/demo/pom.xml
@@ -96,7 +96,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-beans</artifactId>
-            <version>4.3.9.RELEASE</version>
+            <version>5.2.20.RELEASE</version>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>