diff --git a/Sharding-JDBC-demo/pom.xml b/Sharding-JDBC-demo/pom.xml
index 6fa5064..09a9c62 100644
--- a/Sharding-JDBC-demo/pom.xml
+++ b/Sharding-JDBC-demo/pom.xml
@@ -58,7 +58,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-expression</artifactId>
-            <version>4.3.7.RELEASE</version>
+            <version>5.2.21.RELEASE</version>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>