diff --git a/webpack.config.js b/webpack.config.js
index 0de8d09..e54a281 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -11,7 +11,7 @@ module.exports = {
       },
     },
   },
-  devtool: 'eval-cheap-source-map',
+  devtool: 'source-map',
   module: {
     rules: [
       {