diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e8f87e8..935e20f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,9 +18,9 @@ jobs:
     outputs:
       noxenvs: ${{ steps.noxenvs-matrix.outputs.noxenvs }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Set up uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
       - id: noxenvs-matrix
@@ -40,7 +40,7 @@ jobs:
         noxenv: ${{ fromJson(needs.list.outputs.noxenvs) }}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Install dependencies
         run: >
           sudo apt-get update &&
@@ -50,7 +50,7 @@ jobs:
         run: brew install enchant
         if: runner.os == 'macOS' && startsWith(matrix.noxenv, 'docs')
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: |
             3.11
@@ -59,7 +59,7 @@ jobs:
           allow-prereleases: true
 
       - name: Set up uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
 
@@ -78,9 +78,9 @@ jobs:
       id-token: write
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Set up uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
 
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b29ea18..097ed88 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v5.0.0
+    rev: v6.0.0
     hooks:
       - id: check-ast
       - id: check-docstring-first
@@ -14,14 +14,16 @@ repos:
         args: [--fix, lf]
       - id: trailing-whitespace
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: "v0.9.1"
+    rev: "v0.14.9"
     hooks:
       - id: ruff
         args: [--fix, --exit-non-zero-on-fix]
-  - repo: https://github.com/PyCQA/isort
-    rev: 5.13.2
+  - repo: https://github.com/psf/black-pre-commit-mirror
+    rev: 25.12.0
     hooks:
-      - id: isort
+      - name: black
+        id: black
+        args: ["--line-length", "79"]
   - repo: https://github.com/pre-commit/mirrors-prettier
     rev: "v4.0.0-alpha.8"
     hooks:
diff --git a/docs/conf.py b/docs/conf.py
index ba105a0..f3524e8 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -50,7 +50,8 @@ def entire_domain(host):
 
 intersphinx_mapping = {
     "jsonschema": (
-        "https://python-jsonschema.readthedocs.io/en/latest/", None,
+        "https://python-jsonschema.readthedocs.io/en/latest/",
+        None,
     ),
     "packaging": ("https://packaging.python.org/", None),
     "python": ("https://docs.python.org/", None),
diff --git a/docs/requirements.txt b/docs/requirements.txt
index abf36ac..04666da 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,48 +1,53 @@
 # This file was autogenerated by uv via the following command:
 #    uv pip compile --output-file /Users/julian/Development/sphinx-json-schema-spec/docs/requirements.txt docs/requirements.in
+accessible-pygments==0.0.5
+    # via furo
 alabaster==1.0.0
     # via sphinx
-babel==2.16.0
+babel==2.17.0
     # via sphinx
-beautifulsoup4==4.12.3
+beautifulsoup4==4.14.2
     # via furo
-certifi==2024.12.14
+certifi==2025.10.5
     # via requests
-charset-normalizer==3.4.1
+charset-normalizer==3.4.4
     # via requests
 docutils==0.21.2
     # via sphinx
-furo==2024.8.6
+furo==2025.9.25
     # via -r docs/requirements.in
-idna==3.10
+idna==3.11
     # via requests
 imagesize==1.4.1
     # via sphinx
-jinja2==3.1.5
+jinja2==3.1.6
     # via sphinx
-lxml==5.3.0
+lxml==6.0.2
     # via sphinx-json-schema-spec
-markupsafe==3.0.2
+markupsafe==3.0.3
     # via jinja2
-packaging==24.2
+packaging==25.0
     # via sphinx
-pyenchant==3.3.0rc1
+pyenchant==3.3.0
     # via
     #   -r docs/requirements.in
     #   sphinxcontrib-spelling
-pygments==2.19.1
+pygments==2.19.2
     # via
+    #   accessible-pygments
     #   furo
     #   sphinx
-requests==2.32.3
+requests==2.32.5
     # via
     #   sphinx
     #   sphinxcontrib-spelling
-snowballstemmer==2.2.0
+roman-numerals-py==3.1.0
+    # via sphinx
+snowballstemmer==3.0.1
     # via sphinx
-soupsieve==2.6
+soupsieve==2.8
     # via beautifulsoup4
-sphinx==8.1.3
+sphinx==8.2.3
     # via
     #   -r docs/requirements.in
     #   furo
@@ -68,7 +73,9 @@ sphinxcontrib-serializinghtml==2.0.0
     # via sphinx
 sphinxcontrib-spelling==8.0.1
     # via -r docs/requirements.in
-sphinxext-opengraph==0.9.1
+sphinxext-opengraph==0.13.0
     # via -r docs/requirements.in
-urllib3==2.3.0
+typing-extensions==4.15.0
+    # via beautifulsoup4
+urllib3==2.5.0
     # via requests
diff --git a/noxfile.py b/noxfile.py
index de5c55f..f385768 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -40,15 +40,6 @@ def tests(session):
     session.run("pytest", *session.posargs, PACKAGE)
 
 
-@session()
-def audit(session):
-    """
-    Audit dependencies for vulnerabilities.
-    """
-    session.install("pip-audit", ROOT)
-    session.run("python", "-m", "pip_audit")
-
-
 @session(tags=["build"])
 def build(session):
     """
diff --git a/sphinx_json_schema_spec/__init__.py b/sphinx_json_schema_spec/__init__.py
index 5212521..85919a9 100644
--- a/sphinx_json_schema_spec/__init__.py
+++ b/sphinx_json_schema_spec/__init__.py
@@ -1,6 +1,7 @@
 """
 Sphinx support for interlinking to the JSON Schema specifications.
 """
+
 from contextlib import suppress
 from datetime import UTC, datetime
 from importlib import metadata
@@ -186,4 +187,5 @@ def _missing_reference(app, env, node, contnod):
 
         text = contnod.astext() if node["refexplicit"] else target
         return nodes.reference(text, text, internal=False, refuri=uri)
+
     return _missing_reference