diff --git a/packages/webpack-config/src/config/babel.js b/packages/webpack-config/src/config/babel.js
index 355c1aa51..f251c8ab3 100644
--- a/packages/webpack-config/src/config/babel.js
+++ b/packages/webpack-config/src/config/babel.js
@@ -5,7 +5,7 @@ const babelConfig = (options) => ({
     rules: [
       merge(
         {
-          test: /\.(j|t)sx?$/,
+          test: /\.(mj|j|t)sx?$/,
           loader: 'babel-loader',
           options: {
             cacheDirectory: true,