diff --git a/lib/rules/subsystem.js b/lib/rules/subsystem.js
index 611765d..a5739dc 100644
--- a/lib/rules/subsystem.js
+++ b/lib/rules/subsystem.js
@@ -75,6 +75,7 @@ const validSubsystems = [
   'url',
   'util',
   'v8',
+  'validator',
   'vfs',
   'vm',
   'wasi',