diff --git a/Day21Storm/StormCase/pom.xml b/Day21Storm/StormCase/pom.xml
index 9f1caf3..de3399c 100644
--- a/Day21Storm/StormCase/pom.xml
+++ b/Day21Storm/StormCase/pom.xml
@@ -12,7 +12,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>3.8.1</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>