diff --git a/package.json b/package.json
index 247d7c9..10dd975 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "bluebird": "2",
     "istanbul": "0",
     "mocha": "2",
-    "mongodb": "2"
+    "mongodb": "2.0.55"
   },
   "scripts": {
     "test": "mocha --reporter spec",