diff --git a/package.json b/package.json
index 139172b..ae2b1e8 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "should": "11.2.1",
     "express": "4.14.0",
     "superagent": "",
-    "mocha": ""
+    "mocha": "3.4.0"
   },
   "scripts": {
     "test": "mocha"