diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 7ae46181..0f041f00 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -3,29 +3,29 @@ ci:
 
 repos:
   - repo: https://github.com/PyCQA/isort
-    rev: 5.10.1
+    rev: 5.11.4
     hooks:
       - id: isort
         files: .+\.py$
 
   - repo: https://github.com/psf/black
-    rev: 22.8.0
+    rev: 22.12.0
     hooks:
       - id: black
 
   - repo: https://github.com/PyCQA/flake8
-    rev: 5.0.4
+    rev: 6.0.0
     hooks:
       - id: flake8
 
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v0.981
+    rev: v0.991
     hooks:
        - id: mypy
          additional_dependencies: [types-all]
 
   - repo: https://github.com/rstcheck/rstcheck
-    rev: v5.0.0
+    rev: v6.1.1
     hooks:
         - id: rstcheck
           additional_dependencies: [sphinx]
@@ -39,7 +39,7 @@ repos:
         - mdformat-myst
 
   - repo: https://github.com/nbQA-dev/nbQA
-    rev: 1.5.2
+    rev: 1.6.0
     hooks:
         - id: nbqa-black
         - id: nbqa-pyupgrade
@@ -52,14 +52,14 @@ repos:
           additional_dependencies: [mdformat==0.7.14]
 
   - repo: https://github.com/asottile/pyupgrade
-    rev: v2.38.2
+    rev: v3.3.1
     hooks:
      - id: pyupgrade
        args:
          - "--py37-plus"
 
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.3.0
+    rev: v4.4.0
     hooks:
       - id: trailing-whitespace
       - id: end-of-file-fixer
@@ -67,7 +67,7 @@ repos:
       - id: check-yaml
 
   - repo: https://github.com/keewis/blackdoc
-    rev: v0.3.7
+    rev: v0.3.8
     hooks:
       - id: blackdoc
         files: .+\.py$
diff --git a/cf_xarray/accessor.py b/cf_xarray/accessor.py
index de3a4941..16ae58a7 100644
--- a/cf_xarray/accessor.py
+++ b/cf_xarray/accessor.py
@@ -522,7 +522,7 @@ def _getattr(
     accessor: CFAccessor,
     key_mappers: Mapping[str, Mapper],
     wrap_classes: bool = False,
-    extra_decorator: Callable = None,
+    extra_decorator: Callable | None = None,
 ):
     """
     Common getattr functionality.
@@ -613,7 +613,7 @@ def wrapper(*args, **kwargs):
 
 
 def _getitem(
-    accessor: CFAccessor, key: str | list[str], skip: list[str] = None
+    accessor: CFAccessor, key: str | list[str], skip: list[str] | None = None
 ) -> DataArray | Dataset:
     """
     Index into obj using key. Attaches CF associated variables.
@@ -1081,12 +1081,12 @@ def curvefit(
         self,
         coords: str | DataArray | Iterable[str | DataArray],
         func: Callable[..., Any],
-        reduce_dims: Hashable | Iterable[Hashable] = None,
+        reduce_dims: Hashable | Iterable[Hashable] | None = None,
         skipna: bool = True,
-        p0: dict[str, Any] = None,
-        bounds: dict[str, Any] = None,
-        param_names: Sequence[str] = None,
-        kwargs: dict[str, Any] = None,
+        p0: dict[str, Any] | None = None,
+        bounds: dict[str, Any] | None = None,
+        param_names: Sequence[str] | None = None,
+        kwargs: dict[str, Any] | None = None,
     ):
 
         if coords is not None:
diff --git a/cf_xarray/geometry.py b/cf_xarray/geometry.py
index 56cd75e1..39a5dd47 100644
--- a/cf_xarray/geometry.py
+++ b/cf_xarray/geometry.py
@@ -1,4 +1,6 @@
-from typing import Sequence, Union
+from __future__ import annotations
+
+from typing import Sequence
 
 import numpy as np
 import pandas as pd
@@ -69,7 +71,7 @@ def reshape_unique_geometries(
     return out
 
 
-def shapely_to_cf(geometries: Union[xr.DataArray, Sequence], grid_mapping: str = None):
+def shapely_to_cf(geometries: xr.DataArray | Sequence, grid_mapping: str | None = None):
     """Convert a DataArray with shapely geometry objects into a CF-compliant dataset.
 
     .. warning::
@@ -171,7 +173,7 @@ def cf_to_shapely(ds: xr.Dataset):
     return geometries.rename("geometry")
 
 
-def points_to_cf(pts: Union[xr.DataArray, Sequence]):
+def points_to_cf(pts: xr.DataArray | Sequence):
     """Get a list of points (shapely.geometry.[Multi]Point) and return a CF-compliant geometry dataset.
 
     Parameters
diff --git a/doc/whats-new.rst b/doc/whats-new.rst
index 0fe9fedf..5a8dc39b 100644
--- a/doc/whats-new.rst
+++ b/doc/whats-new.rst
@@ -194,7 +194,6 @@ v0.1.3
 .. _`Julia Kent`: https://github.com/jukent
 .. _`Kristen Thyng`: https://github.com/kthyng
 .. _`Julius Busecke`: https://github.com/jbusecke
-.. _`Filipe Fernandes`: https://github.com/ocefpaf
 .. _`Tom Vo`: https://github.com/tomvothecoder
 .. _`Romain Caneill`: https://github.com/rcaneill
 .. _`Lars Buntemeyer`: https://github.com/larsbuntemeyer
diff --git a/setup.cfg b/setup.cfg
index 16f062af..7ee57b6d 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -117,7 +117,7 @@ test = pytest
 nobeep = True
 
 [rstcheck]
-report=warning
+report_level=warning
 ignore_roles=pr,issue,py:meth,py:attr
-ignore_directives=ipython,autodata,csv-table
+ignore_directives=ipython,autodata,csv-table,autosummary
 ignore_messages=(is not referenced\.$)