diff --git a/Spring02_Aop/pom.xml b/Spring02_Aop/pom.xml
index 505c8dc..e8b9606 100644
--- a/Spring02_Aop/pom.xml
+++ b/Spring02_Aop/pom.xml
@@ -13,7 +13,7 @@
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <!--统一管理版本号-->
-        <spring_version>4.3.9.RELEASE</spring_version>
+        <spring_version>5.2.21.RELEASE</spring_version>
     </properties>
 
     <dependencies>