diff --git a/stdlib/optparse.pyi b/stdlib/optparse.pyi
index 583dd0da0..56a4574bd 100644
--- a/stdlib/optparse.pyi
+++ b/stdlib/optparse.pyi
@@ -2,7 +2,7 @@ import builtins
 from _typeshed import MaybeNone, SupportsWrite
 from abc import abstractmethod
 from collections.abc import Callable, Iterable, Mapping, Sequence
-from typing import Any, ClassVar, Literal, NoReturn, overload
+from typing import Any, ClassVar, Final, Literal, NoReturn, overload
 from typing_extensions import Self
 
 __all__ = [
@@ -24,10 +24,10 @@ __all__ = [
     "BadOptionError",
     "check_choice",
 ]
-
-NO_DEFAULT: tuple[str, ...]
-SUPPRESS_HELP: str
-SUPPRESS_USAGE: str
+# pytype is not happy with `NO_DEFAULT: Final = ("NO", "DEFAULT")`
+NO_DEFAULT: Final[tuple[Literal["NO"], Literal["DEFAULT"]]]
+SUPPRESS_HELP: Final = "SUPPRESSHELP"
+SUPPRESS_USAGE: Final = "SUPPRESSUSAGE"
 
 # Can return complex, float, or int depending on the option's type
 def check_builtin(option: Option, opt: str, value: str) -> complex: ...