diff --git a/pom.xml b/pom.xml
index b04b958..4f9e659 100644
--- a/pom.xml
+++ b/pom.xml
@@ -36,7 +36,7 @@
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-collections4</artifactId>
-            <version>4.0</version>
+            <version>4.1</version>
         </dependency>
         <dependency>
             <groupId>commons-logging</groupId>