diff --git a/threadpoolexecutor-example/pom.xml b/threadpoolexecutor-example/pom.xml
index defab6c..c35c5d4 100644
--- a/threadpoolexecutor-example/pom.xml
+++ b/threadpoolexecutor-example/pom.xml
@@ -16,7 +16,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.8.1</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>