diff --git a/java-component/chapter4_2_mongodb_spring/pom.xml b/java-component/chapter4_2_mongodb_spring/pom.xml
old mode 100755
new mode 100644
index 5342a8b..ee03b0e
--- a/java-component/chapter4_2_mongodb_spring/pom.xml
+++ b/java-component/chapter4_2_mongodb_spring/pom.xml
@@ -15,7 +15,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <junit.version>4.12</junit.version>
-        <spring.version>4.3.3.RELEASE</spring.version>
+        <spring.version>5.2.20.RELEASE</spring.version>
     </properties>
 
     <dependencies>