diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-widget-types-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-widget-types-controller.php
index 3940566467..82c3a5255e 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-widget-types-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-widget-types-controller.php
@@ -237,6 +237,8 @@ class WP_REST_Widget_Types_Controller extends WP_REST_Controller {
 			$widgets[ $widget['id'] ] = $widget;
 		}
 
+		ksort( $widgets );
+
 		return $widgets;
 	}
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 48a68bd3d5..e790f801ce 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.9-alpha-51881';
+$wp_version = '5.9-alpha-51882';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.