diff --git a/raft-java-example/pom.xml b/raft-java-example/pom.xml
index 9094e53..8a74e6f 100644
--- a/raft-java-example/pom.xml
+++ b/raft-java-example/pom.xml
@@ -117,7 +117,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>