diff --git a/webpack.config.js b/webpack.config.js
index 380837d7873b3d36414eb36e46f0ceec1d01d3c8..e3dcd4fc3e560018062fb43476f2c786bb7ff611 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -9,6 +9,7 @@ module.exports = {
         filename: 'bundle.js',
         library: 'lib'
     },
+    devtool: "eval-cheap-source-map",
     module: {
         rules: [{
             test: /\.m?js$/,