diff --git a/functions-hmac/tester-hello-java/pom.xml b/functions-hmac/tester-hello-java/pom.xml
index ad0aa42..47eb95e 100644
--- a/functions-hmac/tester-hello-java/pom.xml
+++ b/functions-hmac/tester-hello-java/pom.xml
@@ -33,7 +33,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>