diff --git a/package.json b/package.json
index 65147fd3..62dc3953 100644
--- a/package.json
+++ b/package.json
@@ -52,10 +52,13 @@
     "body-parser": "^1.12.0",
     "bufferput": "bitpay/node-bufferput",
     "buffertools": "*",
+    "compression": "^1.4.1",
     "config": "^1.12.0",
+    "cors": "^2.5.3",
     "eventemitter2": "^0.4.14",
     "express": "4.11.1",
     "glob": "*",
+    "js-yaml": "^3.2.7",
     "levelup": "~0.19.0",
     "moment": "~2.5.0",
     "morgan": "^1.5.1",