diff --git a/.coveralls.yml b/.coveralls.yml
new file mode 100644
index 0000000..74e6a2c
--- /dev/null
+++ b/.coveralls.yml
@@ -0,0 +1 @@
+repo_token: lBB0wwrjIH3RkwvTjkv8g5r4aUjcIUreC
diff --git a/.travis.yml b/.travis.yml
index fce8114..cf36127 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,4 +2,4 @@ language: node_js
 node_js:
   - "0.10"
 
-script: "mocha"
+# by default, travis will call `npm test`
diff --git a/README.md b/README.md
index 71bafa0..0b0abb5 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@ Bitcore
 =======
 
 [![Build Status](https://travis-ci.org/bitpay/bitcore.svg?branch=master)](https://travis-ci.org/bitpay/bitcore)
+[![Coverage Status](https://img.shields.io/coveralls/bitpay/bitcore.svg)](https://coveralls.io/r/bitpay/bitcore)
 
 A pure, powerful core for your bitcoin project.
 
diff --git a/package.json b/package.json
index 3968d78..d3f139f 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
   },
   "scripts": {
     "install": "node-gyp rebuild",
-    "test": "mocha test -R spec",
+    "test": "node_modules/.bin/istanbul cover ./node_modules/mocha/bin/_mocha --report lcovonly -- -R spec && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js",
     "coverage": "./node_modules/.bin/istanbul cover ./node_modules/.bin/_mocha -- --reporter spec test",
     "prepublish": "node browser/build.js -a"
   },
@@ -73,16 +73,17 @@
     "underscore": "~1.6.0"
   },
   "devDependencies": {
+    "brfs": "~1.0.0",
+    "browser-pack": "~2.0.1",
+    "commander": "~2.1.0",
+    "coveralls": "^2.10.0",
+    "grunt-browserify": "~2.0.0",
     "grunt-contrib-watch": "~0.5.3",
+    "grunt-markdown": "~0.5.0",
     "grunt-mocha-test": "~0.8.2",
     "grunt-shell": "~0.6.4",
-    "grunt-browserify": "~2.0.0",
-    "grunt-markdown": "~0.5.0",
-    "mocha": ">=1.15.1",
-    "brfs": "~1.0.0",
-    "commander": "~2.1.0",
-    "browser-pack": "~2.0.1",
-    "istanbul": "~0.2.6"
+    "istanbul": "~0.2.6",
+    "mocha": ">=1.15.1"
   },
   "testling": {
     "harness": "mocha-bdd",