diff --git a/package.json b/package.json
index 613f1bd..a0aec69 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "karma-mocha": "^0.2.0",
     "karma-webpack": "^1.7.0",
     "karma-wrap-preprocessor": "^0.1.0",
-    "mocha": "^2.3.3",
+    "mocha": "^2.4.1",
     "style-loader": "^0.13.0",
     "webpack": "^1.12.2"
   }