diff --git a/package.json b/package.json
index 450f876..d3eaaa6 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "coveralls": "^2.11.2",
     "glob": "^4.3.5",
     "jsdom": "^3.1.1",
-    "mocha": "2.1.0",
+    "mocha": "^2.2.0",
     "mocha-jsdom": "^0.2.1",
     "mocha-lcov-reporter": "0.0.1"
   },