diff --git a/src/java/NinjaSurvivalRateWithSharedState/pom.xml b/src/java/NinjaSurvivalRateWithSharedState/pom.xml
index 3088250..ae9b084 100644
--- a/src/java/NinjaSurvivalRateWithSharedState/pom.xml
+++ b/src/java/NinjaSurvivalRateWithSharedState/pom.xml
@@ -47,7 +47,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.8.1</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>