diff --git a/package.json b/package.json
index 487654d..cac0ae3 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "eslint-plugin-promise": "^3.4.0",
     "eslint-plugin-standard": "^2.0.1",
     "hugs": "^1.0.2",
-    "mocha": "^3.2.0",
+    "mocha": "^4.0.0",
     "npm-ls-scripts": "^0.1.2",
     "nyc": "^10.0.0"
   },