diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index bf13005..94ef3ad
--- a/pom.xml
+++ b/pom.xml
@@ -289,7 +289,7 @@
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-collections4</artifactId>
-            <version>4.0</version>
+            <version>4.1</version>
         </dependency>
 		
 		<dependency>