diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index a2d63c65..d7131650 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -2,7 +2,7 @@
 # See https://pre-commit.com/hooks.html for more hooks
 repos:
 -   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: 'v4.5.0'
+    rev: 'v4.6.0'
     hooks:
         # Prevent giant files from being committed.
     -   id: check-added-large-files
@@ -17,7 +17,7 @@ repos:
         # Don't commit to master branch.
     -   id: no-commit-to-branch
 -   repo: https://github.com/psf/black
-    rev: '23.12.1'
+    rev: '24.4.2'
     hooks:
     -   id: black
         # Force black to run on whole repo, using settings from pyproject.toml
diff --git a/benchmarks/benchmarks/__init__.py b/benchmarks/benchmarks/__init__.py
index f398f985..ce79d0ae 100644
--- a/benchmarks/benchmarks/__init__.py
+++ b/benchmarks/benchmarks/__init__.py
@@ -1,6 +1,5 @@
 """Benchmark tests for iris-esmf-regrid."""
 
-
 from os import environ
 
 
diff --git a/benchmarks/benchmarks/generate_data.py b/benchmarks/benchmarks/generate_data.py
index dc9127b0..c2c55e39 100644
--- a/benchmarks/benchmarks/generate_data.py
+++ b/benchmarks/benchmarks/generate_data.py
@@ -11,6 +11,7 @@
 benchmark sequence runs over two different Python versions.
 
 """
+
 from inspect import getsource
 from os import environ
 from pathlib import Path
diff --git a/esmf_regrid/tests/integration/experimental/unstructured_scheme/test_regrid_unstructured_to_rectilinear.py b/esmf_regrid/tests/integration/experimental/unstructured_scheme/test_regrid_unstructured_to_rectilinear.py
index d7aafe31..e7f47353 100644
--- a/esmf_regrid/tests/integration/experimental/unstructured_scheme/test_regrid_unstructured_to_rectilinear.py
+++ b/esmf_regrid/tests/integration/experimental/unstructured_scheme/test_regrid_unstructured_to_rectilinear.py
@@ -1,6 +1,5 @@
 """Integration tests for :func:`esmf_regrid.experimental.unstructured_scheme.regrid_unstructured_to_rectilinear`."""
 
-
 import os
 
 import iris