diff --git a/src/wp-includes/rest-api/endpoints/class-wp-rest-widget-types-controller.php b/src/wp-includes/rest-api/endpoints/class-wp-rest-widget-types-controller.php
index 3940566467..82c3a5255e 100644
--- a/src/wp-includes/rest-api/endpoints/class-wp-rest-widget-types-controller.php
+++ b/src/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/tests/phpunit/tests/rest-api/rest-widget-types-controller.php b/tests/phpunit/tests/rest-api/rest-widget-types-controller.php
index fd0b3007ec..a7d1d47d61 100644
--- a/tests/phpunit/tests/rest-api/rest-widget-types-controller.php
+++ b/tests/phpunit/tests/rest-api/rest-widget-types-controller.php
@@ -125,6 +125,22 @@ class WP_Test_REST_Widget_Types_Controller extends WP_Test_REST_Controller_Testc
 		}
 	}
 
+	/**
+	 * @ticket 53303
+	 */
+	public function test_get_items_ordering() {
+		wp_set_current_user( self::$admin_id );
+		$request  = new WP_REST_Request( 'GET', '/wp/v2/widget-types' );
+		$response = rest_get_server()->dispatch( $request );
+		$data     = $response->get_data();
+		$this->assertGreaterThan( 1, count( $data ) );
+		$ids    = wp_list_pluck( $data, 'id' );
+		$sorted = $ids;
+		sort( $sorted );
+
+		$this->assertSame( $sorted, $ids );
+	}
+
 	/**
 	 * @ticket 53305
 	 */