diff --git a/duofei_spring_mvc/pom.xml b/duofei_spring_mvc/pom.xml
index 87b9d4c..52f3d6a 100644
--- a/duofei_spring_mvc/pom.xml
+++ b/duofei_spring_mvc/pom.xml
@@ -10,7 +10,7 @@
     <packaging>war</packaging>
 
     <properties>
-        <spring.version>5.1.5.RELEASE</spring.version>
+        <spring.version>5.2.20.RELEASE</spring.version>
         <mybatis.version>3.5.1</mybatis.version>
         <mybatis.spring.version>2.0.3</mybatis.spring.version>
     </properties>