diff --git a/17_HelloWorld_Maven/pom.xml b/17_HelloWorld_Maven/pom.xml
old mode 100755
new mode 100644
index 384625e..20a18b6
--- a/17_HelloWorld_Maven/pom.xml
+++ b/17_HelloWorld_Maven/pom.xml
@@ -30,7 +30,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>