diff --git a/pong/pom.xml b/pong/pom.xml
index c1ccdac..ee7436c 100644
--- a/pong/pom.xml
+++ b/pong/pom.xml
@@ -58,7 +58,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.5</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>