diff --git a/stubs/Flask-Migrate/flask_migrate/__init__.pyi b/stubs/Flask-Migrate/flask_migrate/__init__.pyi
index a83f7f783..4d7664402 100644
--- a/stubs/Flask-Migrate/flask_migrate/__init__.pyi
+++ b/stubs/Flask-Migrate/flask_migrate/__init__.pyi
@@ -1,7 +1,7 @@
 # pyright: reportInvalidStubStatement=none
 
 import sys
-from _typeshed import StrPath, SupportsKeysAndGetItem, SupportsWrite
+from _typeshed import StrPath, SupportsFlush, SupportsKeysAndGetItem, SupportsWrite
 from argparse import Namespace
 from collections.abc import Callable, Iterable, Sequence
 from logging import Logger
@@ -20,9 +20,7 @@ _AlembicConfigValue: TypeAlias = Any
 alembic_version: tuple[int, int, int]
 log: Logger
 
-# TODO: Use _typeshed.SupportsFlush when it's available in type checkers.
-class _SupportsWriteAndFlush(SupportsWrite[_T_contra], Protocol):
-    def flush(self) -> object: ...
+class _SupportsWriteAndFlush(SupportsWrite[_T_contra], SupportsFlush, Protocol): ...
 
 class Config:  # should inherit from alembic.config.Config which is not possible yet
     template_directory: str | None