diff --git a/package.json b/package.json
index 563fce14..6a37db96 100644
--- a/package.json
+++ b/package.json
@@ -37,6 +37,7 @@
     "gulp-coveralls": "^0.1.4",
     "gulp-eslint": "^3.0.1",
     "gulp-mocha": "^4.0.0",
+    "mocha": "^3.2.0",
     "nyc": "^10.1.2",
     "rimraf": "^2.4.2",
     "sinon": "^1.14.1"