diff --git a/test/fixtures/qs-package/node_modules/run-async/package.json b/test/fixtures/qs-package/node_modules/run-async/package.json
index 3760b7a36b..dbaaa41450 100644
--- a/test/fixtures/qs-package/node_modules/run-async/package.json
+++ b/test/fixtures/qs-package/node_modules/run-async/package.json
@@ -59,7 +59,7 @@
   },
   "description": "Utility method to run function either synchronously or asynchronously using the common `this.async()` style.",
   "devDependencies": {
-    "mocha": "^2.3.3"
+    "mocha": "^4.0.0"
   },
   "directories": {},
   "dist": {