diff --git a/master-slave-jdbc/pom.xml b/master-slave-jdbc/pom.xml
index 369b04f..a40dbf7 100644
--- a/master-slave-jdbc/pom.xml
+++ b/master-slave-jdbc/pom.xml
@@ -12,7 +12,7 @@
     <!--   ${project.build.directory}${basedir}${user.home} is default-->
     <java.version>1.8</java.version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <spring.version>4.1.5.RELEASE</spring.version>
+    <spring.version>5.2.20.RELEASE</spring.version>
   </properties>
 
   <dependencies>