diff --git a/package.json b/package.json
index 96db78b..f59a029 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,7 @@
   "license": "MIT",
   "dependencies": {
     "bluebird": "^2.9.30",
+    "debug": "^2.2.0",
     "mime": "^1.3.4",
     "request": "^2.58.0"
   },