diff --git a/example/sequence-split-merge/pom.xml b/example/sequence-split-merge/pom.xml
index 9bcdbadc8..199db22a1 100644
--- a/example/sequence-split-merge/pom.xml
+++ b/example/sequence-split-merge/pom.xml
@@ -36,7 +36,7 @@
         <dependency>
             <groupId>commons-collections</groupId>
             <artifactId>commons-collections</artifactId>
-            <version>3.2.1</version>
+            <version>3.2.2</version>
         </dependency>
         <dependency>
             <groupId>org.yaml</groupId>
diff --git a/jstorm-utility/performance-test/pom.xml b/jstorm-utility/performance-test/pom.xml
index 85559914d..6dba2532b 100644
--- a/jstorm-utility/performance-test/pom.xml
+++ b/jstorm-utility/performance-test/pom.xml
@@ -59,7 +59,7 @@
         <dependency>
             <groupId>commons-collections</groupId>
             <artifactId>commons-collections</artifactId>
-            <version>3.2.1</version>
+            <version>3.2.2</version>
         </dependency>
         <dependency>
             <groupId>org.yaml</groupId>