diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 0a96b95e..f7032b5a 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -12,7 +12,7 @@ repos:
   - id: end-of-file-fixer
   - id: trailing-whitespace
 - repo: https://github.com/astral-sh/ruff-pre-commit
-  rev: v0.5.5
+  rev: v0.6.1
   hooks:
   - id: ruff
     args: [--fix, --exit-non-zero-on-fix]
diff --git a/tests/conftest.py b/tests/conftest.py
index f4cb58b0..e877af58 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -4,16 +4,17 @@
 from pathlib import Path
 
 import pytest
+
 from platform_storage_api.fs.local import FileSystem, LocalFileSystem
 
 
-@pytest.fixture()
+@pytest.fixture
 async def local_fs() -> AsyncIterator[FileSystem]:
     async with LocalFileSystem() as fs:
         yield fs
 
 
-@pytest.fixture()
+@pytest.fixture
 def local_tmp_dir_path() -> Iterator[Path]:
     with tempfile.TemporaryDirectory() as d:
         yield Path(os.path.realpath(d))
diff --git a/tests/integration/conftest.py b/tests/integration/conftest.py
index a6271310..f0e9479c 100644
--- a/tests/integration/conftest.py
+++ b/tests/integration/conftest.py
@@ -13,6 +13,8 @@
 import pytest_asyncio
 import uvicorn
 from neuro_admin_client import AdminClient
+from yarl import URL
+
 from platform_storage_api.api import create_app
 from platform_storage_api.config import (
     AWSConfig,
@@ -27,7 +29,6 @@
 from platform_storage_api.s3_storage import StorageMetricsAsyncS3Storage
 from platform_storage_api.storage import SingleStoragePathResolver
 from platform_storage_api.storage_usage import StorageUsageService
-from yarl import URL
 
 
 pytest_plugins = [
@@ -67,17 +68,17 @@ def ping_url(self) -> str:
         return self.endpoint + "/ping"
 
 
-@pytest.fixture()
+@pytest.fixture
 def server_url(api: ApiConfig) -> str:
     return api.storage_base_url
 
 
-@pytest.fixture()
+@pytest.fixture
 def multi_storage_server_url(multi_storage_api: ApiConfig) -> str:
     return multi_storage_api.storage_base_url
 
 
-@pytest.fixture()
+@pytest.fixture
 def platform_config(
     auth_server: URL, admin_token: str, cluster_name: str
 ) -> PlatformConfig:
@@ -89,7 +90,7 @@ def platform_config(
     )
 
 
-@pytest.fixture()
+@pytest.fixture
 def config(
     platform_config: PlatformConfig, aws_config: AWSConfig, local_tmp_dir_path: Path
 ) -> Config:
@@ -103,12 +104,12 @@ def config(
     )
 
 
-@pytest.fixture()
+@pytest.fixture
 def metrics_config(aws_config: AWSConfig) -> MetricsConfig:
     return MetricsConfig(aws=aws_config)
 
 
-@pytest.fixture()
+@pytest.fixture
 def multi_storage_config(config: Config) -> Config:
     config = replace(config, storage=replace(config.storage, mode=StorageMode.MULTIPLE))
     Path(config.storage.fs_local_base_path, config.platform.cluster_name).mkdir(
@@ -147,7 +148,7 @@ async def client() -> AsyncIterator[aiohttp.ClientSession]:
         yield session
 
 
-@pytest.fixture()
+@pytest.fixture
 def cluster_name() -> str:
     return "test-cluster"
 
@@ -166,7 +167,7 @@ def get_filestatus_dict(response_json: dict[str, Any]) -> dict[str, Any]:
     return response_json["FileStatus"]
 
 
-@pytest.fixture()
+@pytest.fixture
 async def admin_client() -> AsyncIterator[AdminClient]:
     async with AdminClient(
         base_url=URL("http://platform-admin/apis/admin/v1")
@@ -174,7 +175,7 @@ async def admin_client() -> AsyncIterator[AdminClient]:
         yield client
 
 
-@pytest.fixture()
+@pytest.fixture
 def storage_metrics_s3_storage(
     s3_client: aiobotocore.client.AioBaseClient, aws_config: AWSConfig
 ) -> StorageMetricsAsyncS3Storage:
@@ -183,7 +184,7 @@ def storage_metrics_s3_storage(
     )
 
 
-@pytest.fixture()
+@pytest.fixture
 def storage_usage_service(
     config: Config,
     admin_client: AdminClient,
diff --git a/tests/integration/conftest_auth.py b/tests/integration/conftest_auth.py
index 91d7b446..d355b884 100644
--- a/tests/integration/conftest_auth.py
+++ b/tests/integration/conftest_auth.py
@@ -31,7 +31,7 @@ def auth_jwt_secret() -> str:
 _TokenFactory = Callable[[str], str]
 
 
-@pytest.fixture()
+@pytest.fixture
 def token_factory() -> _TokenFactory:
     def _factory(name: str) -> str:
         payload = {"identity": name}
@@ -40,23 +40,23 @@ def _factory(name: str) -> str:
     return _factory
 
 
-@pytest.fixture()
+@pytest.fixture
 def admin_token(token_factory: Callable[[str], str]) -> str:
     return token_factory("admin")
 
 
-@pytest.fixture()
+@pytest.fixture
 def cluster_token(token_factory: Callable[[str], str]) -> str:
     return token_factory("cluster")
 
 
-@pytest.fixture()
+@pytest.fixture
 def no_claim_token(auth_jwt_secret: str) -> str:
     payload: dict[str, Any] = {}
     return jwt.encode(payload, auth_jwt_secret, algorithm="HS256")
 
 
-@pytest.fixture()
+@pytest.fixture
 async def auth_client(auth_server: URL, admin_token: str) -> AsyncIterator[AuthClient]:
     async with AuthClient(url=auth_server, token=admin_token) as client:
         yield client
@@ -71,7 +71,7 @@ class _User:
 _UserFactory = Callable[..., Awaitable[_User]]
 
 
-@pytest.fixture()
+@pytest.fixture
 async def granter(auth_client: AuthClient, admin_token: str) -> Any:
     async def f(whom: Any, what: Any, sourcer: Any) -> None:
         headers = auth_client._generate_headers(sourcer.token)
@@ -83,7 +83,7 @@ async def f(whom: Any, what: Any, sourcer: Any) -> None:
     return f
 
 
-@pytest.fixture()
+@pytest.fixture
 async def regular_user_factory(
     auth_client: AuthClient,
     token_factory: _TokenFactory,
diff --git a/tests/integration/conftest_moto.py b/tests/integration/conftest_moto.py
index 00944a17..2c999203 100644
--- a/tests/integration/conftest_moto.py
+++ b/tests/integration/conftest_moto.py
@@ -7,10 +7,11 @@
 import pytest
 from aiobotocore.client import AioBaseClient
 from aiobotocore.session import AioSession
-from platform_storage_api.config import AWSConfig
 from pytest_docker.plugin import Services
 from yarl import URL
 
+from platform_storage_api.config import AWSConfig
+
 
 @pytest.fixture(scope="session")
 def _moto_server(docker_ip: str, docker_services: Services) -> URL:
@@ -18,7 +19,7 @@ def _moto_server(docker_ip: str, docker_services: Services) -> URL:
     return URL(f"http://{docker_ip}:{port}")
 
 
-@pytest.fixture()
+@pytest.fixture
 async def moto_server(_moto_server: URL) -> AsyncIterator[URL]:
     yield _moto_server
     await _reset_moto_server(_moto_server)
@@ -30,7 +31,7 @@ async def _reset_moto_server(moto_url: URL) -> None:
             pass
 
 
-@pytest.fixture()
+@pytest.fixture
 def aws_config(moto_server: URL) -> AWSConfig:
     return AWSConfig(
         region="us-east-1",
@@ -41,12 +42,12 @@ def aws_config(moto_server: URL) -> AWSConfig:
     )
 
 
-@pytest.fixture()
+@pytest.fixture
 def _session() -> AioSession:
     return aiobotocore.session.get_session()
 
 
-@pytest.fixture()
+@pytest.fixture
 async def s3_client(
     moto_server: URL, aws_config: AWSConfig, _session: AioSession
 ) -> AsyncIterator[AioBaseClient]:
diff --git a/tests/integration/test_api.py b/tests/integration/test_api.py
index 367aef7f..9664a24e 100644
--- a/tests/integration/test_api.py
+++ b/tests/integration/test_api.py
@@ -13,6 +13,7 @@
 import aiohttp.web
 import pytest
 import pytest_asyncio
+
 from platform_storage_api.config import Config
 from platform_storage_api.fs.local import FileStatusType
 
diff --git a/tests/integration/test_api_sharing_resources.py b/tests/integration/test_api_sharing_resources.py
index 7ed8b1c0..d090caa8 100644
--- a/tests/integration/test_api_sharing_resources.py
+++ b/tests/integration/test_api_sharing_resources.py
@@ -7,8 +7,8 @@
 
 import aiohttp
 import yarl
-from platform_storage_api.fs.local import FileStatusType
 
+from platform_storage_api.fs.local import FileStatusType
 from tests.integration.conftest import ApiConfig, status_iter_response_to_list
 
 from .conftest_auth import _User, _UserFactory
diff --git a/tests/integration/test_api_websocket.py b/tests/integration/test_api_websocket.py
index 1b52fd1c..6922e531 100644
--- a/tests/integration/test_api_websocket.py
+++ b/tests/integration/test_api_websocket.py
@@ -9,9 +9,9 @@
 
 import aiohttp
 import cbor
+
 from platform_storage_api.api import WSStorageOperation
 from platform_storage_api.fs.local import FileStatusType
-
 from tests.integration.conftest import (
     ApiConfig,
     get_filestatus_dict,
diff --git a/tests/integration/test_metrics.py b/tests/integration/test_metrics.py
index e9483426..93486012 100644
--- a/tests/integration/test_metrics.py
+++ b/tests/integration/test_metrics.py
@@ -9,21 +9,22 @@
 from aiobotocore.client import AioBaseClient
 from aioresponses import aioresponses
 from fastapi import FastAPI
+from yarl import URL
+
 from platform_storage_api.config import MetricsConfig
 from platform_storage_api.metrics import create_app
 from platform_storage_api.storage_usage import StorageUsageService
-from yarl import URL
 
 from .conftest import run_asgi_app
 
 
-@pytest.fixture()
+@pytest.fixture
 def app(metrics_config: MetricsConfig) -> Iterator[FastAPI]:
     with create_app(config=metrics_config) as app:
         yield app
 
 
-@pytest.fixture()
+@pytest.fixture
 async def metrics_server(
     app: FastAPI, unused_tcp_port_factory: Callable[[], int]
 ) -> AsyncIterator[URL]:
@@ -33,7 +34,7 @@ async def metrics_server(
         yield URL(f"http://{host}:{port}")
 
 
-@pytest.fixture()
+@pytest.fixture
 async def client(metrics_server: URL) -> AsyncIterator[aiohttp.ClientSession]:
     async with aiohttp.ClientSession(base_url=metrics_server) as client:
         yield client
diff --git a/tests/integration/test_storage_usage_service.py b/tests/integration/test_storage_usage_service.py
index bd39224a..34750ed8 100644
--- a/tests/integration/test_storage_usage_service.py
+++ b/tests/integration/test_storage_usage_service.py
@@ -6,11 +6,12 @@
 
 import pytest
 from aioresponses import aioresponses
+
 from platform_storage_api.s3_storage import StorageMetricsAsyncS3Storage
 from platform_storage_api.storage_usage import StorageUsage, StorageUsageService
 
 
-@pytest.fixture()
+@pytest.fixture
 def aiohttp_mock() -> Iterator[aioresponses]:
     with aioresponses(passthrough=["http://0.0.0.0", "http://127.0.0.1"]) as mocked:
         yield mocked
diff --git a/tests/integration/test_worker.py b/tests/integration/test_worker.py
index baa493d5..558a8b12 100644
--- a/tests/integration/test_worker.py
+++ b/tests/integration/test_worker.py
@@ -2,6 +2,7 @@
 from unittest import mock
 
 from aioresponses import aioresponses
+
 from platform_storage_api.config import Config
 from platform_storage_api.s3_storage import StorageMetricsAsyncS3Storage
 from platform_storage_api.storage_usage import StorageUsage
diff --git a/tests/unit/conftest.py b/tests/unit/conftest.py
index dacca1b7..3e0e8e30 100644
--- a/tests/unit/conftest.py
+++ b/tests/unit/conftest.py
@@ -6,7 +6,7 @@
 from aioresponses import aioresponses
 
 
-@pytest.fixture()
+@pytest.fixture
 def aiohttp_mock() -> Iterator[aioresponses]:
     with aioresponses() as mocked:
         yield mocked
diff --git a/tests/unit/test_cache.py b/tests/unit/test_cache.py
index a3180451..50110192 100644
--- a/tests/unit/test_cache.py
+++ b/tests/unit/test_cache.py
@@ -9,6 +9,7 @@
 from aiohttp_security.api import IDENTITY_KEY
 from neuro_auth_client.client import ClientAccessSubTreeView
 from neuro_auth_client.security import IdentityPolicy
+
 from platform_storage_api.cache import (
     AbstractPermissionChecker,
     PermissionsCache,
@@ -65,7 +66,7 @@ async def check_user_permissions(
             raise HTTPNotFound
 
 
-@pytest.fixture()
+@pytest.fixture
 def permission_tree() -> ClientAccessSubTreeView:
     return ClientAccessSubTreeView(
         action="deny",
@@ -86,12 +87,12 @@ def permission_tree() -> ClientAccessSubTreeView:
     )
 
 
-@pytest.fixture()
+@pytest.fixture
 def call_log() -> list[Any]:
     return []
 
 
-@pytest.fixture()
+@pytest.fixture
 def mock_time() -> TimeFactory:
     def mock_time() -> float:
         return mock_time.time  # type: ignore
@@ -100,7 +101,7 @@ def mock_time() -> float:
     return mock_time
 
 
-@pytest.fixture()
+@pytest.fixture
 def cache(
     call_log: list[Any],
     permission_tree: ClientAccessSubTreeView,
@@ -114,7 +115,7 @@ def cache(
     )
 
 
-@pytest.fixture()
+@pytest.fixture
 def slow_cache(
     call_log: list[Any],
     permission_tree: ClientAccessSubTreeView,
@@ -128,7 +129,7 @@ def slow_cache(
     )
 
 
-@pytest.fixture()
+@pytest.fixture
 def webrequest() -> Request:
     webrequest = make_mocked_request(
         "GET", "/", headers={"Authorization": "Bearer authorization"}
diff --git a/tests/unit/test_config.py b/tests/unit/test_config.py
index c67ce5d8..6d1bede0 100644
--- a/tests/unit/test_config.py
+++ b/tests/unit/test_config.py
@@ -1,13 +1,14 @@
 from pathlib import PurePath
 
 import pytest
+from yarl import URL
+
 from platform_storage_api.config import (
     Config,
     StorageConfig,
     StorageMode,
     StorageServerConfig,
 )
-from yarl import URL
 
 
 class TestServerConfig:
diff --git a/tests/unit/test_fs_local.py b/tests/unit/test_fs_local.py
index 6143ede9..95af8f34 100644
--- a/tests/unit/test_fs_local.py
+++ b/tests/unit/test_fs_local.py
@@ -9,6 +9,7 @@
 
 import pytest
 import pytest_asyncio
+
 from platform_storage_api.fs.local import (
     FileStatus,
     FileStatusType,
@@ -68,27 +69,27 @@ async def remove_iter(fs: FileSystem, path: PurePath, recursive: bool) -> None:
 
 
 class TestLocalFileSystem:
-    @pytest.fixture()
+    @pytest.fixture
     def tmp_dir_path(self) -> Iterator[Path]:
         # although blocking, this is fine for tests
         with tempfile.TemporaryDirectory() as d:
             yield Path(os.path.realpath(d))
 
-    @pytest.fixture()
+    @pytest.fixture
     def tmp_file_path(self, tmp_dir_path: Path) -> Iterator[Path]:
         # although blocking, this is fine for tests
         with tempfile.NamedTemporaryFile(dir=tmp_dir_path) as f:
             f.flush()
             yield Path(f.name)
 
-    @pytest.fixture()
+    @pytest.fixture
     def path_with_symlink(self, tmp_dir_path: Path) -> Path:
         (tmp_dir_path / "dir").mkdir()
         (tmp_dir_path / "dir/subdir").mkdir()
         os.symlink("dir", tmp_dir_path / "link")
         return tmp_dir_path / "link/subdir"
 
-    @pytest.fixture()
+    @pytest.fixture
     def symlink_to_dir(self, tmp_dir_path: Path) -> Path:
         (tmp_dir_path / "dir").mkdir()
         path = tmp_dir_path / "dirlink"
@@ -96,7 +97,7 @@ def symlink_to_dir(self, tmp_dir_path: Path) -> Path:
         assert path.is_dir()
         return path
 
-    @pytest.fixture()
+    @pytest.fixture
     def symlink_to_file(self, tmp_dir_path: Path) -> Path:
         (tmp_dir_path / "file").write_bytes(b"test")
         path = tmp_dir_path / "filelink"
@@ -104,7 +105,7 @@ def symlink_to_file(self, tmp_dir_path: Path) -> Path:
         assert path.is_file()
         return path
 
-    @pytest.fixture()
+    @pytest.fixture
     def free_symlink(self, tmp_dir_path: Path) -> Path:
         path = tmp_dir_path / "nonexistentlink"
         os.symlink("nonexistent", path)
diff --git a/tests/unit/test_storage.py b/tests/unit/test_storage.py
index 51cfdf85..c365e7c9 100644
--- a/tests/unit/test_storage.py
+++ b/tests/unit/test_storage.py
@@ -5,6 +5,7 @@
 from typing import Any
 
 import pytest
+
 from platform_storage_api.fs.local import FileStatusType, FileSystem, LocalFileSystem
 from platform_storage_api.storage import (
     MultipleStoragePathResolver,
@@ -44,7 +45,7 @@ async def test_resolve_base_path(
 
 
 class TestStorage:
-    @pytest.fixture()
+    @pytest.fixture
     def storage(self, local_fs: FileSystem, local_tmp_dir_path: Path) -> Storage:
         return Storage(SingleStoragePathResolver(local_tmp_dir_path), local_fs)
 
diff --git a/tests/unit/test_storage_usage.py b/tests/unit/test_storage_usage.py
index 0f4c6c73..7fec0da6 100644
--- a/tests/unit/test_storage_usage.py
+++ b/tests/unit/test_storage_usage.py
@@ -6,6 +6,8 @@
 import pytest
 from aioresponses import aioresponses
 from neuro_admin_client import AdminClient
+from yarl import URL
+
 from platform_storage_api.config import (
     AWSConfig,
     Config,
@@ -16,10 +18,9 @@
 from platform_storage_api.fs.local import FileSystem
 from platform_storage_api.storage import SingleStoragePathResolver
 from platform_storage_api.storage_usage import StorageUsage, StorageUsageService
-from yarl import URL
 
 
-@pytest.fixture()
+@pytest.fixture
 def config() -> Config:
     return Config(
         server=StorageServerConfig(),
@@ -40,14 +41,14 @@ def config() -> Config:
 
 
 class TestStorageUsage:
-    @pytest.fixture()
+    @pytest.fixture
     async def admin_client(self) -> AsyncIterator[AdminClient]:
         async with AdminClient(
             base_url=URL("http://platform-admin/apis/admin/v1")
         ) as client:
             yield client
 
-    @pytest.fixture()
+    @pytest.fixture
     def storage_usage_service(
         self,
         config: Config,