diff --git a/wp-includes/script-loader.php b/wp-includes/script-loader.php
index aabd7fc5ed..f804a50a93 100644
--- a/wp-includes/script-loader.php
+++ b/wp-includes/script-loader.php
@@ -694,7 +694,7 @@ function wp_default_scripts( $scripts ) {
 
 	$scripts->add( 'clipboard', "/wp-includes/js/clipboard$suffix.js", array(), false, 1 );
 
-	$scripts->add( 'wp-ajax-response', "/wp-includes/js/wp-ajax-response$suffix.js", array( 'jquery' ), false, 1 );
+	$scripts->add( 'wp-ajax-response', "/wp-includes/js/wp-ajax-response$suffix.js", array( 'jquery', 'wp-a11y' ), false, 1 );
 	did_action( 'init' ) && $scripts->localize(
 		'wp-ajax-response',
 		'wpAjax',
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 4d355795bf..3eb6d78fa2 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.0-alpha-53102';
+$wp_version = '6.0-alpha-53103';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.