diff --git a/package.json b/package.json
index 2a4827a..b753de5 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,7 @@
     "gulp-size": "^2.1.0",
     "gulp-util": "^3.0.7",
     "jshint-stylish": "^2.1.0",
-    "mocha": "^2.4.5",
+    "mocha": "^3.4.1",
     "require-dir": "^0.3.0",
     "run-sequence": "^1.1.5"
   },