diff --git a/package.json b/package.json
index 4c35909..8ab69cc 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
   "dependencies": {},
   "devDependencies": {
     "clone": "^0.1.18",
-    "mocha": "^1.21.5"
+    "mocha": "^2.1.0"
   },
   "optionalDependencies": {},
   "repository": {