diff --git a/.gitignore b/.gitignore
index c83e4d526b..145ae5edc2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,10 +5,12 @@
 tmp/
 ext/
 node_modules/
+coverage/
+test/
 .grunt/
 npm-debug.log
 _SpecRunner.html
 bower_components/
 .idea
 .grunt
-reports
\ No newline at end of file
+reports
diff --git a/.npmignore b/.npmignore
index d12eeaac89..226c862b50 100644
--- a/.npmignore
+++ b/.npmignore
@@ -8,3 +8,5 @@ component.json
 bower_components
 tmp
 SpecRunner.html
+coverage
+test
diff --git a/.travis.yml b/.travis.yml
index 8daa629966..380fdd7b95 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,3 +5,5 @@ before_install:
   - npm config set ca ""
 before_script:
   - npm run-script bower
+after_success:
+  - npm run-script coverage
diff --git a/Gruntfile.js b/Gruntfile.js
index f886198ee0..ebe9a63dfc 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -119,6 +119,20 @@ module.exports = function(grunt) {
       }
     },
 
+    env: {
+      coverage: {
+        APP_DIR_FOR_CODE_COVERAGE: '../../../test/tmp/'
+      }
+    },
+
+    instrument: {
+      files: 'tmp/backbone.marionette.js',
+      options: {
+        lazy: true,
+        basePath: 'test'
+      }
+    },
+
     mochaTest: {
       tests: {
         options: {
@@ -134,6 +148,30 @@ module.exports = function(grunt) {
       }
     },
 
+    storeCoverage: {
+      options: {
+        dir: 'coverage'
+      }
+    },
+    makeReport: {
+      src: 'coverage/**/*.json',
+      options: {
+        type: 'lcov',
+        dir: 'coverage',
+        print: 'detail'
+      }
+    },
+
+    coveralls: {
+      options: {
+        src: 'coverage/lcov.info',
+        force: false
+      },
+      default: {
+        src: 'coverage/lcov.info'
+      }
+    },
+
     plato: {
       marionette : {
         src : 'src/*.js',
@@ -254,6 +292,8 @@ module.exports = function(grunt) {
 
   grunt.registerTask('test', 'Run the unit tests.', ['verify-bower', 'lint', 'unwrap', 'preprocess:bundle', 'template:bundle', 'mochaTest']);
 
+  grunt.registerTask('coverage', ['unwrap', 'preprocess:bundle', 'template:bundle', 'env:coverage', 'instrument', 'mochaTest', 'storeCoverage', 'makeReport', 'coveralls']);
+
   grunt.registerTask('dev', 'Auto-lints while writing code.', ['test', 'watch:marionette']);
 
   grunt.registerTask('build', 'Build all three versions of the library.', ['clean:lib', 'bower:install', 'lint', 'unwrap', 'preprocess', 'template', 'mochaTest', 'concat', 'uglify']);
diff --git a/package.json b/package.json
index d590588788..8f640b66af 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,8 @@
   ],
   "scripts": {
     "bower": "bower install",
-    "test": "grunt test --mocha-reporter=dot"
+    "test": "grunt test --mocha-reporter=dot",
+    "coverage": "grunt coverage --mocha-reporter=dot"
   },
   "author": {
     "name": "Derick Bailey",
@@ -46,30 +47,33 @@
     "underscore": "1.4.4 - 1.6.0"
   },
   "devDependencies": {
+    "bower": "1.2.8",
+    "chai": "^1.9.1",
+    "chai-jq": "0.0.7",
+    "chai-jquery": "^1.2.1",
     "grunt": "~0.4.5",
+    "grunt-bower-task": "~0.3.4",
+    "grunt-cli": "0.1.13",
+    "grunt-contrib-clean": "~0.5.0",
+    "grunt-contrib-concat": "~0.1.2",
+    "grunt-contrib-connect": "^0.1.2",
     "grunt-contrib-jshint": "^0.10.0",
-    "grunt-plato": "~0.1.4",
     "grunt-contrib-uglify": "~0.2.0",
-    "grunt-contrib-concat": "~0.1.2",
     "grunt-contrib-watch": "^0.6.1",
-    "grunt-contrib-connect": "^0.1.2",
-    "load-grunt-tasks": "0.3.0",
+    "grunt-coveralls": "^0.3.0",
+    "grunt-env": "^0.4.1",
+    "grunt-istanbul": "^0.3.0",
     "grunt-lintspaces": "^0.4.1",
-    "bower": "1.2.8",
-    "grunt-cli": "0.1.13",
-    "grunt-contrib-clean": "~0.5.0",
+    "grunt-mocha-test": "^0.10.2",
+    "grunt-plato": "~0.1.4",
     "grunt-preprocess": "~4.0.0",
-    "unwrap": "^0.1.0",
-    "grunt-bower-task": "~0.3.4",
     "grunt-template": "^0.2.3",
-    "sinon-chai": "^2.5.0",
-    "chai": "^1.9.1",
+    "jquery": "^2.1.1",
+    "jsdom": "^0.10.5",
+    "load-grunt-tasks": "0.3.0",
     "mocha": "^1.19.0",
-    "grunt-mocha-test": "^0.10.2",
     "sinon": "^1.9.1",
-    "jsdom": "^0.10.5",
-    "jquery": "^2.1.1",
-    "chai-jquery": "^1.2.1",
-    "chai-jq": "0.0.7"
+    "sinon-chai": "^2.5.0",
+    "unwrap": "^0.1.0"
   }
 }
diff --git a/readme.md b/readme.md
index d7b6c68a22..d891a74c6d 100644
--- a/readme.md
+++ b/readme.md
@@ -7,6 +7,9 @@
   <a title='Build Status' href="https://travis-ci.org/marionettejs/backbone.marionette">
     <img src='https://secure.travis-ci.org/marionettejs/backbone.marionette.svg?branch=master' />
   </a>
+  <a href='https://coveralls.io/r/marionettejs/backbone.marionette'>
+    <img src='https://img.shields.io/coveralls/marionettejs/backbone.marionette.svg' alt='Coverage Status' />
+  </a>
 </p>
 
 ## About Marionette
diff --git a/spec/javascripts/setup/node.js b/spec/javascripts/setup/node.js
index ebcb09b7d7..3c199eb06e 100644
--- a/spec/javascripts/setup/node.js
+++ b/spec/javascripts/setup/node.js
@@ -2,6 +2,7 @@ var chai = require('chai');
 var sinon = require('sinon');
 var sinonChai = require('sinon-chai');
 var chaiJq = require('chai-jq');
+var requireHelper = require('./require_helper');
 
 chai.use(sinonChai);
 chai.use(chaiJq);
@@ -31,4 +32,4 @@ global.$ = global.jQuery = require('jquery');
 global._ = require('underscore');
 global.Backbone = require('backbone');
 global.Backbone.$ = global.$;
-global.Marionette = require('../../../tmp/backbone.marionette');
+global.Marionette = requireHelper('backbone.marionette');
diff --git a/spec/javascripts/setup/require_helper.js b/spec/javascripts/setup/require_helper.js
new file mode 100644
index 0000000000..448a2d2b75
--- /dev/null
+++ b/spec/javascripts/setup/require_helper.js
@@ -0,0 +1,3 @@
+module.exports = function (path) {
+  return require((process.env.APP_DIR_FOR_CODE_COVERAGE || '../../../tmp/') + path);
+};