diff --git a/package.json b/package.json
index facdc0eb3..53c40f635 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,6 @@
   ],
   "devDependencies": {
     "async": "0.9.0",
-    "bitcore": "0.1.35",
     "blanket": "1.1.6",
     "browser-pack": "2.0.1",
     "browser-request": "0.3.2",
@@ -63,6 +62,7 @@
     "grunt-contrib-uglify": "^0.5.1",
     "grunt-contrib-watch": "0.5.3",
     "grunt-markdown": "0.5.0",
+    "bitcore": "git://github.com/bitpay/bitcore#master",
     "grunt-mocha-test": "0.8.2",
     "grunt-shell": "0.6.4",
     "grunt-angular-gettext": "^0.2.15",