diff --git a/package.json b/package.json
index 6809a85..03ee381 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   "author": "Vojta Jina <vojta.jina@gmail.com>",
   "dependencies": {},
   "devDependencies": {
-    "mocha": "~1.8",
+    "mocha": "~3.4.0",
     "chai": "~1.5",
     "grunt-npm": "~0.0.2",
     "grunt": "~0.4.1",