diff --git a/webpack.config.js b/webpack.config.js
new file mode 100644
index 0000000..5ac4f04
--- /dev/null
+++ b/webpack.config.js
@@ -0,0 +1,16 @@
+module.exports = (webpackConfig) => {
+  // FilenameHash
+  webpackConfig.output.chunkFilename = '[name].[hash].js' // http://webpack.github.io/docs/configuration.html#output-chunkfilename
+
+  // ClassnameHash
+  const cssLoaderOption = {
+    importLoaders: 1,
+    modules: true,
+    localIdentName: '[hash:base64:5]',
+  }
+  const cssLoaders = webpackConfig.module.loaders[3].loader.split('!')
+  cssLoaders[1] = `css?${JSON.stringify(cssLoaderOption)}`
+  webpackConfig.module.loaders[3].loader = cssLoaders.join('!')
+
+  return webpackConfig
+}