diff --git a/demo-server/pom.xml b/demo-server/pom.xml
index 19cc035..9413ae5 100644
--- a/demo-server/pom.xml
+++ b/demo-server/pom.xml
@@ -85,7 +85,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.10</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
   </dependencies>