diff --git a/com.maven.grpc.example/pom.xml b/com.maven.grpc.example/pom.xml
index 30f8553..cd02752 100644
--- a/com.maven.grpc.example/pom.xml
+++ b/com.maven.grpc.example/pom.xml
@@ -65,7 +65,7 @@
     <dependency>
         <groupId>commons-collections</groupId>
         <artifactId>commons-collections</artifactId>
-        <version>3.2.1</version>
+        <version>3.2.2</version>
     </dependency>
 
     <dependency>