diff --git a/gridstack-demo/pom.xml b/gridstack-demo/pom.xml
index 341b3b6..4ad540f 100644
--- a/gridstack-demo/pom.xml
+++ b/gridstack-demo/pom.xml
@@ -120,7 +120,7 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.8.1</version>
+			<version>4.13.1</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>