diff --git a/pom.xml b/pom.xml
index 9db3ada..ab86b2d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -186,7 +186,7 @@
     <dependency>
       <groupId>commons-collections</groupId>
       <artifactId>commons-collections</artifactId>
-      <version>3.1</version>
+      <version>3.2.2</version>
     </dependency>
     <dependency>
       <groupId>commons-codec</groupId>