diff --git a/pyproject.toml b/pyproject.toml
index 36cb726..3d065b9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -74,6 +74,7 @@ ignore_missing_imports = true
 [tool.pytest.ini_options]
 testpaths = ["tests"]
 asyncio_mode = "auto"
+asyncio_default_fixture_loop_scope = "function"
 markers = [
     "integration: tests that hit the real Kalshi demo API (require credentials)",
     "integration_real_api_only: endpoints the demo server cannot service (auth-gated roles, demo-broken). Skipped under the default integration run; enable explicitly with -m integration_real_api_only against a prod-like account.",
diff --git a/tests/test_contracts.py b/tests/test_contracts.py
index 05b466e..45aca3b 100644
--- a/tests/test_contracts.py
+++ b/tests/test_contracts.py
@@ -1003,9 +1003,9 @@ class TestWsSpecDrift:
     # be added here with an evidence citation in the notes field of the
     # corresponding WS_CONTRACT_MAP entry.
     _DEMO_DIVERGENCE_ALLOWLIST: ClassVar[set[tuple[str, str]]] = set()
+    @pytest.fixture(autouse=True, scope="class")
 
     @staticmethod
-    @pytest.fixture(autouse=True, scope="class")
     def _load(request: pytest.FixtureRequest) -> None:
         request.cls.spec = _load_asyncapi_spec()