diff --git a/pyproject.toml b/pyproject.toml
index ea080650..76ae5cde 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -139,6 +139,7 @@ disableBytesTypePromotions = true
 
 [tool.pytest.ini_options]
 asyncio_mode = "auto"
+asyncio_default_fixture_loop_scope = "session"
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]