diff --git a/pyproject.toml b/pyproject.toml
index b864128f..c52e8105 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -129,6 +129,7 @@ testpaths = ["tests"]
 addopts = "--tb=short"
 xfail_strict = true
 asyncio_mode = "auto"
+asyncio_default_fixture_loop_scope = "session"
 filterwarnings = [
   "error"
 ]