diff --git a/config/webpack/rules/css.js b/config/webpack/rules/css.js
index 2b7b7017c..6ecfb3164 100644
--- a/config/webpack/rules/css.js
+++ b/config/webpack/rules/css.js
@@ -20,7 +20,9 @@ module.exports = {
     {
       loader: 'sass-loader',
       options: {
-        includePaths: ['app/javascript'],
+        sassOptions: {
+          includePaths: ['app/javascript'],
+        },
         implementation: require('sass'),
         sourceMap: true,
       },