diff --git a/package.json b/package.json
index 03cb3d0..552d466 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "coveralls": "^2.11.1",
     "istanbul": "^0.3.0",
     "jshint": "=2.5.1",
-    "mocha": "=1.19.0",
+    "mocha": "2.3.3",
     "unexpected": "8.5.0",
     "urltools": "=0.1.0"
   },