diff --git a/pom.xml b/pom.xml
index 56401db..54b5be4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -226,7 +226,7 @@
         <dependency>
             <groupId>commons-collections</groupId>
             <artifactId>commons-collections</artifactId>
-            <version>3.2.1</version>
+            <version>3.2.2</version>
         </dependency>
 
         <!-- end apache -->