diff --git a/package.json b/package.json
index acfbd97..4520c65 100644
--- a/package.json
+++ b/package.json
@@ -30,6 +30,6 @@
   "devDependencies": {
     "chai": "^3.5.0",
     "istanbul": "^0.4.5",
-    "mocha": "^3.3.0"
+    "mocha": "^3.4.1"
   }
 }