diff --git a/tests/test_signals.py b/tests/test_signals.py
index 93a9c48..959209c 100644
--- a/tests/test_signals.py
+++ b/tests/test_signals.py
@@ -257,6 +257,7 @@ def received(sender: t.Any) -> None:
     assert [id(fn) for fn in sig.receivers.values()] == [fn_id]
 
 
+@pytest.mark.asyncio
 async def test_async_receiver() -> None:
     sentinel = []