diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 4e47fa3..0c3fee7
--- a/pom.xml
+++ b/pom.xml
@@ -41,7 +41,7 @@
       <dependency>
         <groupId>commons-collections</groupId>
         <artifactId>commons-collections</artifactId>
-        <version>3.2.1</version>
+        <version>3.2.2</version>
       </dependency>
       <dependency>
         <groupId>commons-io</groupId>