diff --git a/mongo/pom.xml b/mongo/pom.xml
index f0b0f89..4ca7b2e 100644
--- a/mongo/pom.xml
+++ b/mongo/pom.xml
@@ -140,7 +140,7 @@
         <dependency>
             <groupId>commons-collections</groupId>
             <artifactId>commons-collections</artifactId>
-            <version>3.2.1</version>
+            <version>3.2.2</version>
         </dependency>
     </dependencies>
 </project>