diff --git a/src/Security/Model/Authenticator.php b/src/Security/Model/Authenticator.php
index 307539e58..8f6c7892e 100644
--- a/src/Security/Model/Authenticator.php
+++ b/src/Security/Model/Authenticator.php
@@ -16,7 +16,7 @@
  *
  * @internal
  */
-final class Authenticator
+final class Authenticator implements \Stringable
 {
     public function __construct(
         public AuthenticatorType $type,