diff --git a/karma.conf.coffee b/karma.conf.coffee
index 95d64d07..38e2c88d 100644
--- a/karma.conf.coffee
+++ b/karma.conf.coffee
@@ -2,10 +2,10 @@ webpack = require('webpack')
 
 module.exports = (config) ->
   config.set
-    browsers        : ['Chrome']
+    browsers        : ['PhantomJS']
     singleRun       : false
     frameworks      : ['mocha']
-    files           : ['tests.webpack.js']
+    files           : ['./node_modules/react/dist/react-with-addons.js', 'tests.webpack.js']
     reporters       : ['dots']
     browserNoActivityTimeout: 30000
 
diff --git a/package.json b/package.json
index 358d0ca6..89d5155d 100644
--- a/package.json
+++ b/package.json
@@ -36,6 +36,7 @@
     "karma-chrome-launcher"       : "^0.2.0",
     "karma-cli"                   : "^0.1.0",
     "karma-mocha"                 : "^0.2.0",
+    "karma-phantomjs-launcher"    : "~0.1",
     "karma-webpack"               : "^1.6.0",
     "node-libs-browser"           : "^0.5.2",
     "postcss-loader"              : "^0.4.3",