diff --git a/package.json b/package.json
index 3bfe4c1..6cec6b7 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "coveralls": "^2.11.9",
     "jshint": "^2.9.2",
     "jshint-stylish": "^2.2.0",
-    "mocha": "^3.0.2",
+    "mocha": "^4.0.0",
     "mocha-lcov-reporter": "^1.2.0",
     "mongoose": "^4.9.2"
   },