diff --git a/testenv/tests/plugins/auth/test_http.py b/testenv/tests/plugins/auth/test_http.py
index 88718cf0..7a13f9b7 100644
--- a/testenv/tests/plugins/auth/test_http.py
+++ b/testenv/tests/plugins/auth/test_http.py
@@ -27,6 +27,7 @@ import aiohttp.web
 import aiohttp_basicauth
 
 import pytest
+import pytest_asyncio
 
 from . import get_configured_auth_service
 
@@ -41,7 +42,7 @@ async def _handle_auth(request: aiohttp.web.BaseRequest) -> aiohttp.web.Response
     return aiohttp.web.Response(text=str(status), status=status)
 
 
-@pytest.fixture(name="auth_server_port")
+@pytest_asyncio.fixture(name="auth_server_port")
 async def _auth_server_port_fixture(aiohttp_server) -> AsyncGenerator[int, None]:  # type: ignore
     auth = aiohttp_basicauth.BasicAuthMiddleware(
         username="server-admin",
diff --git a/testenv/tests/plugins/auth/test_pam.py b/testenv/tests/plugins/auth/test_pam.py
index 84dcdff0..ea524cb4 100644
--- a/testenv/tests/plugins/auth/test_pam.py
+++ b/testenv/tests/plugins/auth/test_pam.py
@@ -29,6 +29,7 @@ from typing import AsyncGenerator
 from typing import Optional
 
 import pytest
+import pytest_asyncio
 
 from . import get_configured_auth_service
 
@@ -50,7 +51,7 @@ async def _run_process(cmd: str, input: Optional[str]=None) -> None:  # pylint:
     assert proc.returncode == 0
 
 
-@pytest.fixture(name="test_user")
+@pytest_asyncio.fixture(name="test_user")
 async def _test_user() -> AsyncGenerator[None, None]:
     with pytest.raises(KeyError):
         pwd.getpwnam(_USER)