diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 92f61354..37cb866b 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -24,7 +24,7 @@ repos:
     - id: end-of-file-fixer
     - id: trailing-whitespace
   - repo: https://github.com/tox-dev/pyproject-fmt
-    rev: 7482d629adc2b03afb85a2538570d1c20908a58c # frozen: v2.29.2
+    rev: a72ae8edd6eeddb9d942168912362945651212f8  # frozen: v2.30.1
     hooks:
     - id: pyproject-fmt
   - repo: https://github.com/abravalheri/validate-pyproject
@@ -32,7 +32,7 @@ repos:
     hooks:
     - id: validate-pyproject
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: 1f1e8bf348ff38fc88619a38d3ca4d9c56abea49 # frozen: v0.16.5
+    rev: f12be1ebaa5351c1fc76472de98db2c3446c8253  # frozen: v0.16.10
     hooks:
       - id: ruff-check
         args: [--fix, --exit-non-zero-on-fix]
@@ -43,7 +43,7 @@ repos:
     - id: sphinx-lint
       types: [rst]
   - repo: https://github.com/adamchainz/blacken-docs
-    rev: fda77690955e9b63c6687d8806bafd56a526e45f # frozen: 1.20.0
+    rev: dda8db18cfc68df532abf33b185ecd12d5b7b326  # frozen: 1.20.0
     hooks:
     - id: blacken-docs
       args: [--line-length=79]
diff --git a/pyproject.toml b/pyproject.toml
index c6fb0509..e9987074 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,9 @@
 [project]
 name = "python4datascience"
 version = "26.1.0"
-description = "Teaching materials for the Cusy training courses on Python-based data science workflows: https://cusy.io/en/seminars"
+description = """\
+  Teaching materials for the Cusy training courses on Python-based data science workflows: https://cusy.io/en/seminars\
+  """
 readme = "README.rst"
 license = "BSD-3-Clause"
 license-files = [ "LICENSE" ]
@@ -20,6 +22,7 @@ classifiers = [
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3.14",
+  "Programming Language :: Python :: 3.15",
 ]
 dependencies = []
 urls."Bug Tracker" = "https://github.com/cusyio/Python4DataScience/issues"
@@ -151,5 +154,7 @@ lint.isort.lines-after-imports = 2
 lint.isort.lines-between-types = 1
 
 [tool.codespell]
-ignore-words-list = "AAS, ans, bund, comit, fo, Groth, nd, Ned, ORE, ore, Redict, redict, registr, reStructedText, splitted"
+ignore-words-list = """\
+  AAS, ans, bund, comit, fo, Groth, nd, Ned, ORE, ore, Redict, redict, registr, reStructedText, splitted\
+  """
 skip = "*.csv, *.html, *.pdf, *.ipynb, ./docs/_build/*, ./styles/*"