diff --git a/arraylist-no-duplicates/pom.xml b/arraylist-no-duplicates/pom.xml
index 16e50168..08a59cae 100644
--- a/arraylist-no-duplicates/pom.xml
+++ b/arraylist-no-duplicates/pom.xml
@@ -25,7 +25,7 @@
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-collections4</artifactId>
-            <version>4.5.0</version>
+            <version>4.6.0</version>
         </dependency>
     </dependencies>
 </project>
diff --git a/partition list in java/pom.xml b/partition list in java/pom.xml
index 63d57c80..fa0da659 100644
--- a/partition list in java/pom.xml	
+++ b/partition list in java/pom.xml	
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-collections4</artifactId>
-            <version>4.5.0</version>
+            <version>4.6.0</version>
         </dependency>
     </dependencies>