diff --git a/kafka-spring-demo/vpc-ssl/pom.xml b/kafka-spring-demo/vpc-ssl/pom.xml
index 571bf72..0e79aa1 100644
--- a/kafka-spring-demo/vpc-ssl/pom.xml
+++ b/kafka-spring-demo/vpc-ssl/pom.xml
@@ -94,7 +94,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
         </dependency>
     </dependencies>