diff --git a/package.json b/package.json
index 329b9f2..46909cd 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
   },
   "devDependencies": {
     "coveralls": "~2.11.8",
-    "mocha": "~2.4.5",
+    "mocha": "~3.2.0",
     "must": "~0.13.1",
     "nyc": "~6.4.0"
   },