diff --git a/wp-includes/class-wp-block-supports.php b/wp-includes/class-wp-block-supports.php
index c90b5e0c54..71d6b49691 100644
--- a/wp-includes/class-wp-block-supports.php
+++ b/wp-includes/class-wp-block-supports.php
@@ -104,7 +104,7 @@ class WP_Block_Supports {
 		}
 
 		$block_attributes = array_key_exists( 'attrs', self::$block_to_render ) && is_array( self::$block_to_render['attrs'] )
-			? self::$block_to_render['attrs']
+			? $block_type->prepare_attributes_for_render( self::$block_to_render['attrs'] )
 			: array();
 
 		$output = array();
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 97d30daf0c..d185467ccc 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.7-alpha-59092';
+$wp_version = '6.7-alpha-59093';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.