diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 368571c..4dc2cfd 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -23,7 +23,7 @@ repos:
 #    -   id: no-commit-to-branch
 
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: 'v2.1.0'
+    rev: 'v2.3.0'
     hooks:
     -   id: mypy
         additional_dependencies:
@@ -32,7 +32,7 @@ repos:
             - sqlalchemy
 
 -   repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: 'v0.15.20'
+    rev: 'v0.16.2'
     hooks:
     -   id: ruff
         args: [--fix]
diff --git a/src/routers/datasets.py b/src/routers/datasets.py
index b23babd..177be32 100644
--- a/src/routers/datasets.py
+++ b/src/routers/datasets.py
@@ -185,6 +185,7 @@ def _quality_clause(quality: str, range_: str | None) -> str:
 @router.post(path="/list", description="Provided for convenience, same as `GET` endpoint.")
 @router.get(path="/list")
 async def list_datasets(  # noqa: PLR0913, C901
+    *,
     expdb_db: Annotated[AsyncSession, Depends(expdb_session)],
     pagination: Annotated[Pagination, Body(default_factory=Pagination)],
     data_name: Annotated[CasualString128 | None, Body()] = None,
diff --git a/src/routers/tasks.py b/src/routers/tasks.py
index 7e08e55..a57e3de 100644
--- a/src/routers/tasks.py
+++ b/src/routers/tasks.py
@@ -258,6 +258,7 @@ def _quality_clause(quality: str, range_: str | None) -> str:
 @router.post(path="/list", description="Provided for convenience, same as `GET` endpoint.")
 @router.get(path="/list")
 async def list_tasks(  # noqa: PLR0913, PLR0912, C901, PLR0915
+    *,
     expdb: Annotated[AsyncSession, Depends(expdb_session)],
     pagination: Annotated[Pagination, Body(default_factory=Pagination)],
     task_type_id: Annotated[Identifier | None, Body(description="Filter by task type id.")] = None,
diff --git a/src/routers/tasktype.py b/src/routers/tasktype.py
index a1a4c5a..4e86369 100644
--- a/src/routers/tasktype.py
+++ b/src/routers/tasktype.py
@@ -22,9 +22,9 @@
 router = APIRouter(prefix="/tasktype", tags=["tasks"])
 
 
-def _normalize_task_type(task_type: Row[Any]) -> dict[str, str | None | list[Any]]:
+def _normalize_task_type(task_type: Row[Any]) -> dict[str, str | list[Any] | None]:
     # Task types may contain multi-line fields which have either \r\n or \n line endings
-    ttype: dict[str, str | None | list[Any]] = {
+    ttype: dict[str, str | list[Any] | None] = {
         k: str(v).replace("\r\n", "\n").strip() if v is not None else v
         for k, v in task_type._mapping.items()  # noqa: SLF001
         if k != "id"
@@ -40,10 +40,10 @@ async def list_task_types(
     expdb: Annotated[AsyncSession, Depends(expdb_session)],
 ) -> dict[
     Literal["task_types"],
-    dict[Literal["task_type"], list[dict[str, str | None | list[Any]]]],
+    dict[Literal["task_type"], list[dict[str, str | list[Any] | None]]],
 ]:
     """Return a high level description of all task types."""
-    task_types: list[dict[str, str | None | list[Any]]] = [
+    task_types: list[dict[str, str | list[Any] | None]] = [
         _normalize_task_type(ttype) for ttype in await get_task_types(expdb)
     ]
     return {"task_types": {"task_type": task_types}}
@@ -53,7 +53,7 @@ async def list_task_types(
 async def get_task_type(
     task_type_id: Identifier,
     expdb: Annotated[AsyncSession, Depends(expdb_session)],
-) -> dict[Literal["task_type"], dict[str, str | None | list[str] | list[dict[str, str]]]]:
+) -> dict[Literal["task_type"], dict[str, str | list[str] | list[dict[str, str]] | None]]:
     """Return a detailed description for the given task type, including expected inputs."""
     task_type_record = await db_get_task_type(task_type_id, expdb)
     if task_type_record is None:
diff --git a/tests/routers/dataset_tag_test.py b/tests/routers/dataset_tag_test.py
index 851e395..a1f1224 100644
--- a/tests/routers/dataset_tag_test.py
+++ b/tests/routers/dataset_tag_test.py
@@ -124,4 +124,11 @@ async def test_dataset_tag_response_is_identical(
     py_api: httpx.AsyncClient,
     php_api: httpx.AsyncClient,
 ) -> None:
-    await assert_tag_response_is_identical(dataset_id, tag, api_key, "dataset", py_api, php_api)
+    await assert_tag_response_is_identical(
+        identifier=dataset_id,
+        tag=tag,
+        api_key=api_key,
+        entity="dataset",
+        py_api=py_api,
+        php_api=php_api,
+    )
diff --git a/tests/routers/setups_tag_test.py b/tests/routers/setups_tag_test.py
index e31077f..4258bd4 100644
--- a/tests/routers/setups_tag_test.py
+++ b/tests/routers/setups_tag_test.py
@@ -96,7 +96,7 @@ async def test_setup_tag_direct_success(expdb_session: AsyncSession) -> None:
     [[], ["some_other_tag"], ["foo_some_other_tag", "bar_some_other_tag"]],
     ids=["none", "one tag", "two tags"],
 )
-async def test_setup_tag_response_is_identical_when_tag_doesnt_exist(  # noqa: PLR0913
+async def test_setup_tag_response_is_identical_when_tag_doesnt_exist(  # noqa: PLR0913, PLR0917
     api_key: str,
     other_tags: list[str],
     py_api: httpx.AsyncClient,
diff --git a/tests/routers/tag_test_helper.py b/tests/routers/tag_test_helper.py
index 95d4ca6..e054583 100644
--- a/tests/routers/tag_test_helper.py
+++ b/tests/routers/tag_test_helper.py
@@ -12,6 +12,7 @@
 
 
 async def assert_tag_response_is_identical(  # noqa: PLR0913
+    *,
     identifier: Identifier,
     tag: str,
     api_key: str,
diff --git a/tests/routers/task_tag_test.py b/tests/routers/task_tag_test.py
index 13413e7..d6cc012 100644
--- a/tests/routers/task_tag_test.py
+++ b/tests/routers/task_tag_test.py
@@ -116,4 +116,6 @@ async def test_task_tag_response_is_identical(
     py_api: httpx.AsyncClient,
     php_api: httpx.AsyncClient,
 ) -> None:
-    await assert_tag_response_is_identical(task_id, tag, api_key, "task", py_api, php_api)
+    await assert_tag_response_is_identical(
+        identifier=task_id, tag=tag, api_key=api_key, entity="task", py_api=py_api, php_api=php_api
+    )