diff --git a/package.json b/package.json
index 3a550ed..05e9a24 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
   },
   "devDependencies": {
     "istanbul": "0.4.5",
-    "mocha": "1.21.5",
+    "mocha": "2.5.3",
     "rimraf": "2.7.1",
     "supertest": "1.1.0"
   },