diff --git a/Java_in_ZSim/pom.xml b/Java_in_ZSim/pom.xml
index ffbdea9..bed0851 100644
--- a/Java_in_ZSim/pom.xml
+++ b/Java_in_ZSim/pom.xml
@@ -29,7 +29,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.8.2</version>
+            <version>4.13.1</version>
             <type>jar</type>
         </dependency>
     </dependencies>