diff --git a/package.json b/package.json
index 58213fb6..5820266a 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "jsdom": "^3.1.2",
     "jshint": "^2.6.3",
     "magicpen": "^5.5.0",
-    "mocha": "^2.1.0",
+    "mocha": "^2.4.2",
     "mocha-lcov-reporter": "1.0.0",
     "sinon": "1.17.2",
     "uglifyjs": "^2.4.10",