diff --git a/middleware/pom.xml b/middleware/pom.xml
index 947b749..b0163d4 100644
--- a/middleware/pom.xml
+++ b/middleware/pom.xml
@@ -50,7 +50,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>