diff --git a/.travis.yml b/.travis.yml
index 249528c1..32d43155 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,3 +8,5 @@ before_install:
 
 script:
   - npm test
+
+after_script: NODE_ENV=test istanbul cover ./node_modules/mocha/bin/_mocha --report lcovonly -- -R spec && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js && rm -rf ./coverage
diff --git a/README.md b/README.md
index b5de67e5..88c92314 100644
--- a/README.md
+++ b/README.md
@@ -4,8 +4,9 @@ SRI Hash Generator
 This is the code behind the <https://srihash.org> website. It generates [sub-resource integrity](http://www.w3.org/TR/SRI/) hashes.
 
 [![Build Status](https://travis-ci.org/mozilla/srihash.org.svg?branch=master)](https://travis-ci.org/mozilla/srihash.org)
-[![Dependencies Status](https://david-dm.org/mozilla/srihash.org.png)](https://david-dm.org/mozilla/srihash.org)
-[![Dev Dependencies Status](https://david-dm.org/mozilla/srihash.org/dev-status.png)](https://david-dm.org/mozilla/srihash.org#info=devDependencies)
+[![Coverage Status](https://coveralls.io/repos/mozilla/srihash.org/badge.svg?branch=master)](https://coveralls.io/r/mozilla/srihash.org?branch=master)
+[![Dependencies Status](https://david-dm.org/mozilla/srihash.org.svg)](https://david-dm.org/mozilla/srihash.org)
+[![Dev Dependencies Status](https://david-dm.org/mozilla/srihash.org/dev-status.svg)](https://david-dm.org/mozilla/srihash.org#info=devDependencies)
 
 ## Install
 
diff --git a/package.json b/package.json
index b533b3d9..84ba9649 100644
--- a/package.json
+++ b/package.json
@@ -17,12 +17,14 @@
     "url": "https://github.com/mozilla/srihash.org/issues"
   },
   "devDependencies": {
+    "coveralls": "^2.11.2",
     "grunt": "^0.4.5",
     "grunt-cli": "^0.1.13",
     "grunt-contrib-jshint": "^0.11.0",
     "grunt-copyright": "^0.1.0",
     "grunt-jscs": "^1.5.0",
     "grunt-nodemon": "^0.4.0",
+    "istanbul": "^0.3.6",
     "mocha": "^2.1.0"
   },
   "dependencies": {