diff --git a/package.json b/package.json
index c7aa219..d04224c 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
   "devDependencies": {
     "coveralls": "~2.13.1",
     "eslint": "~3.19.0",
-    "mocha": "~3.4.2",
+    "mocha": "~3.5.3",
     "must": "~0.13.4",
     "nyc": "~11.0.1",
     "sinon": "~2.3.2"