diff --git a/package.json b/package.json
index 811958c..fbc7c67 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "is-ci": "1.0.10",
     "istanbul": "0.4.5",
     "jshint": "2.9.5",
-    "mocha": "3.5.3",
+    "mocha": "4.0.0",
     "mocha-lcov-reporter": "1.3.0",
     "mockery": "2.1.0",
     "rimraf": "2.6.2"