diff --git a/app/User/UseCases/CreateUserRequest.php b/app/User/UseCases/CreateUserRequest.php
index 93a3102..7c48913 100644
--- a/app/User/UseCases/CreateUserRequest.php
+++ b/app/User/UseCases/CreateUserRequest.php
@@ -5,6 +5,6 @@ namespace App\User\UseCases;
 class CreateUserRequest
 {
     public function __construct(
-        public string $email,
+        public ?string $email,
     ) {}
 }