diff --git a/stdlib/email/_policybase.pyi b/stdlib/email/_policybase.pyi
index 900224eab..f5dbbd96d 100644
--- a/stdlib/email/_policybase.pyi
+++ b/stdlib/email/_policybase.pyi
@@ -5,6 +5,8 @@ from email.message import Message
 from typing import Generic, Protocol, TypeVar, type_check_only
 from typing_extensions import Self
 
+__all__ = ["Policy", "Compat32", "compat32"]
+
 _MessageT = TypeVar("_MessageT", bound=Message, default=Message)
 
 @type_check_only