diff --git a/package.json b/package.json
index 111c225..fc1a2f8 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
   },
   "devDependencies": {
     "better-assert": "1.0.0",
-    "mocha": "1.17.1"
+    "mocha": "2.3.4"
   },
   "author": "Kevin Roark",
   "license": "MIT"