diff --git a/modules/ads_lib_appengine/pom.xml b/modules/ads_lib_appengine/pom.xml
old mode 100755
new mode 100644
index 5b7d0fe3b1..a9e8ff8893
--- a/modules/ads_lib_appengine/pom.xml
+++ b/modules/ads_lib_appengine/pom.xml
@@ -67,7 +67,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.11</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>