diff --git a/tools/gutenberg/copy-gutenberg-build.js b/tools/gutenberg/copy-gutenberg-build.js
index e5332f806f74a..fdd332c35eb24 100644
--- a/tools/gutenberg/copy-gutenberg-build.js
+++ b/tools/gutenberg/copy-gutenberg-build.js
@@ -12,6 +12,7 @@
 const fs = require( 'fs' );
 const path = require( 'path' );
 const json2php = require( 'json2php' );
+const glob = require( 'glob' );
 
 // Paths
 const rootDir = path.resolve( __dirname, '../..' );
@@ -98,6 +99,18 @@ const COPY_CONFIG = {
 			{ from: 'theme-i18n.json', to: 'theme-i18n.json' },
 		],
 	},
+
+	// Specific files to copy to wp-includes/$destination
+	wpIncludes: [
+		{
+			files: [ 'packages/icons/src/manifest.php' ],
+			destination: 'icons',
+		},
+		{
+			files: [ 'packages/icons/src/library/*.svg' ],
+			destination: 'icons/library',
+		},
+	],
 };
 
 /**
@@ -982,10 +995,7 @@ async function main() {
 						}
 					}
 				}
-			} else if (
-				entry.isFile() &&
-				entry.name.endsWith( '.js' )
-			) {
+			} else if ( entry.isFile() && entry.name.endsWith( '.js' ) ) {
 				// Copy root-level JS files
 				const dest = path.join( scriptsDest, entry.name );
 				fs.mkdirSync( path.dirname( dest ), { recursive: true } );
@@ -1057,6 +1067,25 @@ async function main() {
 		}
 	}
 
+	// Copy remaining files to wp-includes
+	console.log( '\n📦 Copying remaining files to wp-includes...' );
+	for ( const fileMap of COPY_CONFIG.wpIncludes ) {
+		const dest = path.join( wpIncludesDir, fileMap.destination );
+		fs.mkdirSync( dest, { recursive: true } );
+		for ( const src of fileMap.files ) {
+			const matches = glob.sync( path.join( gutenbergDir, src ) );
+			if ( ! matches.length ) {
+				throw new Error( `No files found matching '${ src }'` );
+			}
+			for ( const match of matches ) {
+				fs.copyFileSync(
+					match,
+					path.join( dest, path.basename( match ) )
+				);
+			}
+		}
+	}
+
 	// 7. Generate script-modules-packages.min.php from individual asset files
 	console.log( '\n📦 Generating script-modules-packages.min.php...' );
 	generateScriptModulesPackages();