diff --git a/package.json b/package.json
index 55572279e..745f3ac48 100644
--- a/package.json
+++ b/package.json
@@ -69,7 +69,8 @@
     "socket.io-client": "1.0.6",
     "travis-cov": "0.2.5",
     "uglifyify": "1.2.3",
-    "crypto-js": "3.1.2"
+    "crypto-js": "3.1.2",
+    "shelljs":"0.3.0"
   },
   "main": "app.js",
   "homepage": "https://github.com/bitpay/copay",