diff --git a/package.json b/package.json
index 9eacad0..ad08a62 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,8 @@
   "devDependencies": {
     "chai": "^1.9.2",
     "sinon": "^1.10.3",
-    "supertest": "^0.14.0"
+    "supertest": "^0.14.0",
+    "mockery": "~1.4.0" 
   },
   "dependencies": {
     "express": "^4.9.8",