diff --git a/springmvc-springjdbc-CRUD/pom.xml b/springmvc-springjdbc-CRUD/pom.xml
index 4cc27a9..c534739 100644
--- a/springmvc-springjdbc-CRUD/pom.xml
+++ b/springmvc-springjdbc-CRUD/pom.xml
@@ -7,7 +7,7 @@
     <packaging>war</packaging>
     <name>Mybatis Maven Webapp</name>
     <properties>
-        <spring-version>5.1.1.RELEASE</spring-version>
+        <spring-version>5.2.20.RELEASE</spring-version>
         <!-- use utf-8 encoding -->
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>