diff --git a/node-master-server/pom.xml b/node-master-server/pom.xml
index 2a0b2769..b609e03a 100644
--- a/node-master-server/pom.xml
+++ b/node-master-server/pom.xml
@@ -12,7 +12,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <!-- https://mvnrepository.com/artifact/org.mockito/mockito-all -->