diff --git a/tool_files/maven_3_3_9/pom.xml b/tool_files/maven_3_3_9/pom.xml
index 82061cc7..61438151 100644
--- a/tool_files/maven_3_3_9/pom.xml
+++ b/tool_files/maven_3_3_9/pom.xml
@@ -45,7 +45,7 @@
     <dependency>
         <groupId>junit</groupId>
         <artifactId>junit</artifactId>
-        <version>4.12</version>
+        <version>4.13.1</version>
     </dependency>
     <!-- https://mvnrepository.com/artifact/org.json/json -->
     <dependency>