diff --git a/build/files-checker.php b/build/files-checker.php
index 3092771881140..c16623d9cf9e9 100644
--- a/build/files-checker.php
+++ b/build/files-checker.php
@@ -68,8 +68,10 @@
 	'contribute',
 	'core',
 	'cron.php',
-	'cypress',
+	'custom.d.ts',
 	'cypress.config.ts',
+	'cypress.d.ts',
+	'cypress',
 	'dist',
 	'index.html',
 	'index.php',