diff --git a/packages/dependency-extraction-webpack-plugin/lib/util.js b/packages/dependency-extraction-webpack-plugin/lib/util.js
index 3e1795ddca2470..92fdcff11612ea 100644
--- a/packages/dependency-extraction-webpack-plugin/lib/util.js
+++ b/packages/dependency-extraction-webpack-plugin/lib/util.js
@@ -1,4 +1,8 @@
 const WORDPRESS_NAMESPACE = '@wordpress/';
+
+// !!
+// This list must be kept in sync with the same list in tools/webpack/packages.js
+// !!
 const BUNDLED_PACKAGES = [
 	'@wordpress/dataviews',
 	'@wordpress/icons',
diff --git a/tools/webpack/packages.js b/tools/webpack/packages.js
index 1bbe63f064c305..0a4b8cef574464 100644
--- a/tools/webpack/packages.js
+++ b/tools/webpack/packages.js
@@ -24,12 +24,16 @@ const WORDPRESS_NAMESPACE = '@wordpress/';
 // Experimental or other packages that should be private are bundled when used.
 // That way, we can iterate on these package without making them part of the public API.
 // See: https://github.com/WordPress/gutenberg/pull/19809
+//
+// !!
+// This list must be kept in sync with the matching list in packages/dependency-extraction-webpack-plugin/lib/util.js
+// !!
 const BUNDLED_PACKAGES = [
+	'@wordpress/dataviews',
 	'@wordpress/icons',
 	'@wordpress/interface',
-	'@wordpress/undo-manager',
 	'@wordpress/sync',
-	'@wordpress/dataviews',
+	'@wordpress/undo-manager',
 ];
 
 // PHP files in packages that have to be copied during build.