diff --git a/package.json b/package.json
index 4035d2b..33b4116 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,6 @@
   "devDependencies": {
     "can-vdom": "^3.0.1",
     "jshint": "^2.8.0",
-    "mocha": "^3.2.0"
+    "mocha": "^5.0.4"
   }
 }