diff --git a/sb-prometheus-demo/pom.xml b/sb-prometheus-demo/pom.xml
index 1b88633..0786b94 100644
--- a/sb-prometheus-demo/pom.xml
+++ b/sb-prometheus-demo/pom.xml
@@ -60,7 +60,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>