diff --git a/pom.xml b/pom.xml
index ba4a50b..e0a467b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.9</version>
+            <version>4.13.1</version>
         </dependency>
         <dependency>
             <groupId>net.sf.jopt-simple</groupId>