diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 51114832..af804c98 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -16,12 +16,12 @@ jobs:
     name: Build docs and check links
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+    - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       with:
         persist-credentials: false
     - uses: pandoc/actions/setup@86321b6dd4675f5014c611e05088e10d4939e09e # v1.1.1
     - uses: ts-graphviz/setup-graphviz@b1de5da23ed0a6d14e0aeee8ed52fdd87af2363c # v2.0.2
-    - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
+    - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
       with:
         # Keep in sync with .readthedocs.yaml
         python-version-file: .python-version
diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 11eca36d..dff030fd 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -24,11 +24,11 @@ jobs:
       github.event.pull_request.head.repo.full_name != github.repository
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+    - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       with:
         persist-credentials: false
-    - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
-    - uses: actions/cache@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
+    - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
+    - uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
       with:
         path: ~/.cache/pre-commit
         key: pre-commit|${{ env.pythonLocation }}|${{ hashFiles('.pre-commit-config.yaml') }}
diff --git a/.github/workflows/zizmor.yml b/.github/workflows/zizmor.yml
index 7eaacc55..4412a881 100644
--- a/.github/workflows/zizmor.yml
+++ b/.github/workflows/zizmor.yml
@@ -21,11 +21,11 @@ jobs:
       security-events: write # Required for upload-sarif (used by zizmor-action) to upload SARIF files.
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
 
       - name: Run zizmor
-        uses: zizmorcore/zizmor-action@71321a20a9ded102f6e9ce5718a2fcec2c4f70d8 # v0.5.2
+        uses: zizmorcore/zizmor-action@192e21d79ab29983730a13d1382995c2307fbcaa # v0.5.7
         with:
           persona: pedantic
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 5235d435..0c5bc52b 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -6,7 +6,7 @@ ci:
 
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: 3e8a8703264a2f4a69428a0aa4dcb512790b2c8c # v6.0.0
+    rev: v6.0.0 # v6.0.0
     hooks:
     - id: check-added-large-files
       args: ['--maxkb=1024']
@@ -20,38 +20,38 @@ repos:
     - id: end-of-file-fixer
     - id: trailing-whitespace
   - repo: https://github.com/tox-dev/pyproject-fmt
-    rev: 6e10264313f53d6247a8b1b984f5b5ccf50ba539 # 2.21.0
+    rev: v2.26.0 # v2.25.2
     hooks:
     - id: pyproject-fmt
   - repo: https://github.com/abravalheri/validate-pyproject
-    rev: 4b2e70d08cb2ccd26d1fba73588de41c7a5d50b7 # v0.25
+    rev: v0.25 # v0.25
     hooks:
     - id: validate-pyproject
   - repo: https://github.com/sphinx-contrib/sphinx-lint
-    rev: c883505f64b59c3c5c9375191e4ad9f98e727ccd # v1.0.2
+    rev: v1.0.2 # v1.0.2
     hooks:
     - id: sphinx-lint
       types: [rst]
   - repo: https://github.com/pycqa/isort
-    rev: a333737ed43df02b18e6c95477ea1b285b3de15a # 8.0.1
+    rev: 9.0.0b1 # 9.0.0b1
     hooks:
     - id: isort
       additional_dependencies: ["toml"]
       entry: isort --profile=black
       name: isort (python)
   - repo: https://github.com/psf/black-pre-commit-mirror
-    rev: fa505ab9c3e0fedafe1709fd7ac2b5f8996c670d # 26.3.1
+    rev: 26.5.1 # 26.5.1
     hooks:
     - id: black
   - repo: https://github.com/adamchainz/blacken-docs
-    rev: fda77690955e9b63c6687d8806bafd56a526e45f # 1.20.0
+    rev: 1.20.0 # 1.20.0
     hooks:
     - id: blacken-docs
       args: [--line-length=79]
       additional_dependencies:
       - black
   - repo: https://github.com/codespell-project/codespell
-    rev: 2ccb47ff45ad361a21071a7eedda4c37e6ae8c5a # v2.4.2
+    rev: v2.4.3 # v2.4.2
     hooks:
     - id: codespell
   - repo: local
diff --git a/docs/dashboards/voila/templating.rst b/docs/dashboards/voila/templating.rst
index f3e08d69..04567a29 100644
--- a/docs/dashboards/voila/templating.rst
+++ b/docs/dashboards/voila/templating.rst
@@ -371,7 +371,6 @@ app:
    from voila.app import Voila
    from voila.config import VoilaConfiguration
 
-
    config = VoilaConfiguration()
    config.prelaunch_hook = parameterize_with_papermill
    config.page_config_hook = page_config_hook
diff --git a/pyproject.toml b/pyproject.toml
index bc4ac767..4353de8e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,10 @@
 [project]
 name = "jupyter-tutorial"
 version = "24.1.0"
-description = "Training materials for setting up and using a research infrastructure based on Jupyter notebooks: https://cusy.io/en/seminars"
+description = """\
+  Training materials for setting up and using a research infrastructure based on Jupyter notebooks: \
+  https://cusy.io/en/seminars\
+  """
 readme = "README.rst"
 license = "BSD-3-Clause"
 license-files = [ "LICENSE" ]
@@ -18,10 +21,9 @@ classifiers = [
   "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3.14",
 ]
-dependencies = [  ]
-
+dependencies = []
 urls."Bug Tracker" = "https://github.com/veit/jupyter-tutorial/issues"
-urls."Homepage" = "https://github.com/veit/jupyter-tutorial/"
+urls.Homepage = "https://github.com/veit/jupyter-tutorial/"
 
 [dependency-groups]
 dev = [
@@ -47,26 +49,23 @@ docs = [
 ]
 
 [tool.setuptools]
-packages = [  ]
+packages = []
 
 [tool.black]
 line-length = 79
 
 [tool.isort]
 atomic = true
-force_grid_wrap = 0
+multi_line_output = 3
+use_parentheses = true
 include_trailing_comma = true
+force_grid_wrap = 0
 lines_after_imports = 2
 lines_between_types = 1
-multi_line_output = 3
-not_skip = "__init__.py"
-use_parentheses = true
-
-known_first_party = "jupyter-tutorial-de"
 known_third_party = [
-  "Cython",
   "accounts_pb2",
   "accounts_pb2_grpc",
+  "Cython",
   "dataprep",
   "google",
   "grpc",
@@ -78,6 +77,7 @@ known_third_party = [
   "requests",
   "setuptools",
 ]
+known_first_party = "jupyter-tutorial"
 
 [tool.codespell]
 skip = "*.html, *.ipynb, docs/hub/jupyterhub_config.py"