diff --git a/pom.xml b/pom.xml
index 06a605d..dc77309 100644
--- a/pom.xml
+++ b/pom.xml
@@ -17,7 +17,7 @@
     <dependency>
         <groupId>commons-collections</groupId>
         <artifactId>commons-collections</artifactId>
-        <version>3.1</version>
+        <version>3.2.2</version>
     </dependency>
 </dependencies>
 </project>
\ No newline at end of file