diff --git a/config/karma.config.js b/config/karma.config.js
index 5c3d454addf842ee200882d1fc4ef64c6db264b7..44229e2ee886ed26fbcfc08241ba6c180d00e534 100644
--- a/config/karma.config.js
+++ b/config/karma.config.js
@@ -6,6 +6,7 @@ var ROOT_PATH = path.resolve(__dirname, '..');
 module.exports = function(config) {
   config.set({
     basePath: ROOT_PATH,
+    browsers: ['PhantomJS'],
     frameworks: ['jasmine'],
     files: [
       { pattern: 'spec/javascripts/test_bundle.js', watched: false },
diff --git a/package.json b/package.json
index 4ce08487c3da12517b83b2ed287713bd687b41eb..fe48fa152c18d73c8b8591f17a27098e3a949540 100644
--- a/package.json
+++ b/package.json
@@ -41,6 +41,7 @@
     "jasmine-jquery": "^2.1.1",
     "karma": "^1.3.0",
     "karma-jasmine": "^1.1.0",
+    "karma-phantomjs-launcher": "^1.0.2",
     "karma-sourcemap-loader": "^0.3.7",
     "karma-webpack": "^1.8.0"
   }