diff --git a/wp-includes/class-wp-theme-json.php b/wp-includes/class-wp-theme-json.php
index d4a4fda6a6..e482799f4f 100644
--- a/wp-includes/class-wp-theme-json.php
+++ b/wp-includes/class-wp-theme-json.php
@@ -340,6 +340,7 @@ class WP_Theme_JSON {
 	 * @since 6.2.0 Added `dimensions.minHeight`, 'shadow.presets', 'shadow.defaultPresets',
 	 *              `position.fixed` and `position.sticky`.
 	 * @since 6.3.0 Added support for `typography.textColumns`, removed `layout.definitions`.
+	 * @since 6.4.0 Added `layout.allowEditing`.
 	 *
 	 * @var array
 	 */
@@ -374,8 +375,9 @@ class WP_Theme_JSON {
 			'minHeight' => null,
 		),
 		'layout'                        => array(
-			'contentSize' => null,
-			'wideSize'    => null,
+			'contentSize'  => null,
+			'wideSize'     => null,
+			'allowEditing' => null,
 		),
 		'position'                      => array(
 			'fixed'  => null,
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 6d8d506a02..56ef5085ed 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.4-alpha-56533';
+$wp_version = '6.4-alpha-56534';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.