diff --git a/CHANGELOG.md b/CHANGELOG.md
index 009edd7..e7e9e57 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,16 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
+## [Unreleased]
+
+### Changed
+
+- Core Framework 2.x now requires WordPress 6.6 or newer.
+
+### Fixed
+
+- Fixed the Gutenberg editor failing with an undefined `ReactJSXRuntime` by loading the generated script dependency manifest, including the `react-jsx-runtime` dependency introduced in WordPress 6.6.
+
 ## [2.0.2] - 2026-08-28
 
 ### Fixed
diff --git a/README.md b/README.md
index 099879c..ec5fb37 100644
--- a/README.md
+++ b/README.md
@@ -219,7 +219,7 @@ Then publish `packages/www/dist` at the matching path, such as `https://example.
 
 ## WordPress development
 
-Requirements: WordPress 6.0 or newer, PHP 8.0 or newer, Composer, Bun 1.3.x, and a local HTTPS certificate.
+Requirements: WordPress 6.6 or newer, PHP 8.0 or newer, Composer, Bun 1.3.x, and a local HTTPS certificate.
 
 1. Link the plugin package into your WordPress installation:
 
diff --git a/packages/wp/core-framework.php b/packages/wp/core-framework.php
index 63dc78e..d92fda7 100644
--- a/packages/wp/core-framework.php
+++ b/packages/wp/core-framework.php
@@ -18,7 +18,7 @@
  * License:         MIT
  * License URI:     https://opensource.org/license/mit
  * Requires PHP:    8.0
- * Requires at least: 6.0
+ * Requires at least: 6.6
  * Namespace:       CoreFramework
  */
 
diff --git a/packages/wp/readme.txt b/packages/wp/readme.txt
index 659204c..0c4def3 100644
--- a/packages/wp/readme.txt
+++ b/packages/wp/readme.txt
@@ -1,7 +1,7 @@
 === Core Framework ===
 Contributors: coreframework
 Tags: css, framework, stylesheet, bricks, oxygen
-Requires at least: 6.0
+Requires at least: 6.6
 Requires PHP: 8.0
 Tested up to: 7.0
 Stable tag: 2.0.2
diff --git a/packages/wp/wp/App/Gutenberg/Functions.php b/packages/wp/wp/App/Gutenberg/Functions.php
index 4e48a5a..ce9e2e7 100644
--- a/packages/wp/wp/App/Gutenberg/Functions.php
+++ b/packages/wp/wp/App/Gutenberg/Functions.php
@@ -262,17 +262,33 @@ public function add_colors( $theme_json ) {
 	public function enqueue_scripts() {
 		CoreFramework()->enqueue_core_framework_connector();
 
-		$version = $this->plugin->version();
+		$script_path       = plugin_dir_path( CORE_FRAMEWORK_ABSOLUTE ) . 'gutenberg/index.js';
+		$script_asset_path = plugin_dir_path( CORE_FRAMEWORK_ABSOLUTE ) . 'gutenberg/index.asset.php';
+		$script_asset      = array(
+			'dependencies' => array(
+				'react',
+				'react-jsx-runtime',
+				'wp-block-editor',
+				'wp-components',
+				'wp-compose',
+				'wp-data',
+				'wp-element',
+				'wp-plugins',
+			),
+			'version'      => \file_exists( $script_path )
+				? \filemtime( $script_path )
+				: $this->plugin->version(),
+		);
 
-		if ( \file_exists( plugin_dir_path( CORE_FRAMEWORK_ABSOLUTE ) . 'gutenberg/index.js' ) ) {
-			$version = \filemtime( plugin_dir_path( CORE_FRAMEWORK_ABSOLUTE ) . 'gutenberg/index.js' );
+		if ( \file_exists( $script_asset_path ) ) {
+			$script_asset = require $script_asset_path;
 		}
 
 		wp_enqueue_script(
 			'core-framework-gutenberg-plugin',
 			plugins_url( 'gutenberg/index.js', CORE_FRAMEWORK_ABSOLUTE ),
-			array( 'wp-blocks', 'wp-i18n', 'wp-element', 'wp-editor' ),
-			$version,
+			$script_asset['dependencies'],
+			$script_asset['version'],
 			true
 		);
 	}