diff --git a/stdlib/asyncio/futures.pyi b/stdlib/asyncio/futures.pyi
index ec27e6b6d..c565b504b 100644
--- a/stdlib/asyncio/futures.pyi
+++ b/stdlib/asyncio/futures.pyi
@@ -16,6 +16,13 @@ if sys.version_info >= (3, 7):
 if sys.version_info >= (3, 9):
     from types import GenericAlias
 
+if sys.version_info >= (3, 8):
+    __all__ = ("Future", "wrap_future", "isfuture")
+elif sys.version_info >= (3, 7):
+    __all__ = ("CancelledError", "TimeoutError", "InvalidStateError", "Future", "wrap_future", "isfuture")
+else:
+    __all__ = ["CancelledError", "TimeoutError", "InvalidStateError", "Future", "wrap_future", "isfuture"]
+
 _T = TypeVar("_T")
 
 if sys.version_info < (3, 7):