diff --git a/simple-service/pom.xml b/simple-service/pom.xml
index 97b03ed080..aab0e8d158 100644
--- a/simple-service/pom.xml
+++ b/simple-service/pom.xml
@@ -34,7 +34,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.9</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
       <dependency>