diff --git a/stdlib/asyncio/exceptions.pyi b/stdlib/asyncio/exceptions.pyi
index aec2e1685..a1bc2c16a 100644
--- a/stdlib/asyncio/exceptions.pyi
+++ b/stdlib/asyncio/exceptions.pyi
@@ -1,3 +1,12 @@
+__all__ = (
+    "CancelledError",
+    "InvalidStateError",
+    "TimeoutError",
+    "IncompleteReadError",
+    "LimitOverrunError",
+    "SendfileNotAvailableError",
+)
+
 class CancelledError(BaseException): ...
 class TimeoutError(Exception): ...
 class InvalidStateError(Exception): ...