diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 86847964..3ee1dd8e
--- a/pom.xml
+++ b/pom.xml
@@ -69,7 +69,7 @@
     <dependency>
       <groupId>commons-collections</groupId>
       <artifactId>commons-collections</artifactId>
-      <version>3.2.1</version>
+      <version>3.2.2</version>
     </dependency>
     <dependency>
       <groupId>net.sourceforge.collections</groupId>