diff --git a/pytest.ini b/pytest.ini
index 553b714..862028a 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -1,5 +1,7 @@
 [pytest]
 # Drop this when these fixtures aren't imported automatically anymore
 addopts = -p no:pytest_swh_scheduler -p no:pytest_swh_storage
 
 norecursedirs = build docs .*
+
+asyncio_mode = strict