diff --git a/javalin-demo/gradle.properties b/javalin-demo/gradle.properties
index fbfd3d8..40f82a7 100644
--- a/javalin-demo/gradle.properties
+++ b/javalin-demo/gradle.properties
@@ -12,7 +12,7 @@ j2htmlVersion=1.6.0
 commonsEmail=1.6.0
 
 # Testing
-junitVersion=5.10.2
+junitVersion=6.1.3
 assertjVersion=3.27.6
 mockitoVersion=5.12.0
 seleniumChromeVersion=4.18.1