diff --git a/pytest.ini b/pytest.ini
index b5024cc..8eb17e3 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -1,7 +1,8 @@
 [pytest]
 # Drop this when these fixtures aren't imported automatically
 addopts = -p no:pytest_swh_scheduler -p no:pytest_swh_storage
 markers =
     fs: depends on writing to the filesystem
 
 norecursedirs = build docs .*
+asyncio_mode = strict