diff --git a/extensions/adwords_rate_limiter/pom.xml b/extensions/adwords_rate_limiter/pom.xml
old mode 100755
new mode 100644
index 4c7a312b3a..41f0b05349
--- a/extensions/adwords_rate_limiter/pom.xml
+++ b/extensions/adwords_rate_limiter/pom.xml
@@ -85,7 +85,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.12</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>