diff --git a/src/wp-admin/includes/update-core.php b/src/wp-admin/includes/update-core.php
index 9d0452dbcb..62ab68f695 100644
--- a/src/wp-admin/includes/update-core.php
+++ b/src/wp-admin/includes/update-core.php
@@ -801,6 +801,8 @@ $_old_files = array(
 	// 5.6
 	'wp-includes/js/jquery/ui/position.min.js',
 	'wp-includes/js/jquery/ui/widget.min.js',
+	// 5.7
+	'wp-includes/blocks/classic/block.json',
 );
 
 /**