diff --git a/package.json b/package.json
index 82d9ac9..e6d18a5 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
   "repository": "mongodb-utils/oids-equal",
   "dependencies": {},
   "devDependencies": {
-    "mongodb": "2",
+    "mongodb": "2.1.3",
     "mocha": "2",
     "istanbul": "0"
   },
@@ -22,5 +22,7 @@
     "oid",
     "equal"
   ],
-  "files": ["index.js"]
+  "files": [
+    "index.js"
+  ]
 }