diff --git a/package.json b/package.json
index 2ff8c09..8c0e6da 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
     "ember-load-initializers": "^0.6.3",
     "ember-resolver": "^2.0.3",
     "loader.js": "^4.0.10",
-    "mocha": "^3.2.0",
+    "mocha": "^4.0.0",
     "should": "^11.1.2"
   },
   "engines": {