diff --git a/packages/scripts/CHANGELOG.md b/packages/scripts/CHANGELOG.md
index ab55ff9adf5b8..7ad87c315df80 100644
--- a/packages/scripts/CHANGELOG.md
+++ b/packages/scripts/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### Bug Fix
+
+-   Fix CSS imports not minified ([#56516](https://github.com/WordPress/gutenberg/pull/56516)).
+
 ## 26.18.0 (2023-11-29)
 
 ### Internal
diff --git a/packages/scripts/config/webpack.config.js b/packages/scripts/config/webpack.config.js
index 05b37945795a7..1e060d0e142c9 100644
--- a/packages/scripts/config/webpack.config.js
+++ b/packages/scripts/config/webpack.config.js
@@ -69,6 +69,7 @@ const cssLoaders = [
 	{
 		loader: require.resolve( 'css-loader' ),
 		options: {
+			importLoaders: 1,
 			sourceMap: ! isProduction,
 			modules: {
 				auto: true,