diff --git a/pom.xml b/pom.xml
index 9ce6ba9..3b7d99f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -75,7 +75,7 @@
         <dependency>
             <groupId>commons-collections</groupId>
             <artifactId>commons-collections</artifactId>
-            <version>3.1</version>
+            <version>3.2.2</version>
         </dependency>
         <dependency>
             <groupId>commons-lang</groupId>