diff --git a/stdlib/asyncio/streams.pyi b/stdlib/asyncio/streams.pyi
index 98349222d..666862cc7 100644
--- a/stdlib/asyncio/streams.pyi
+++ b/stdlib/asyncio/streams.pyi
@@ -159,13 +159,13 @@ class StreamReaderProtocol(FlowControlMixin, protocols.Protocol):
 class StreamWriter:
     def __init__(
         self,
-        transport: transports.BaseTransport,
+        transport: transports.WriteTransport,
         protocol: protocols.BaseProtocol,
         reader: StreamReader | None,
         loop: events.AbstractEventLoop,
     ) -> None: ...
     @property
-    def transport(self) -> transports.BaseTransport: ...
+    def transport(self) -> transports.WriteTransport: ...
     def write(self, data: bytes) -> None: ...
     def writelines(self, data: Iterable[bytes]) -> None: ...
     def write_eof(self) -> None: ...