diff --git a/todolist-core/pom.xml b/todolist-core/pom.xml
index 705976a..e49bf3c 100644
--- a/todolist-core/pom.xml
+++ b/todolist-core/pom.xml
@@ -87,7 +87,7 @@
         <dependency>
             <groupId>commons-collections</groupId>
             <artifactId>commons-collections</artifactId>
-            <version>3.2.1</version>
+            <version>3.2.2</version>
         </dependency>
 
         <!-- test dependencies -->