diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 932fa6b..65b7825 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -14,6 +14,9 @@ on:
 permissions:
   contents: read
 
+env:
+  FORCE_COLOR: 1
+
 jobs:
   # Always build & lint package.
   build-package:
@@ -24,6 +27,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          persist-credentials: false
 
       - uses: hynek/build-and-inspect-python-package@v2
 
diff --git a/.github/workflows/labels.yml b/.github/workflows/labels.yml
index 859c948..75a47d2 100644
--- a/.github/workflows/labels.yml
+++ b/.github/workflows/labels.yml
@@ -1,8 +1,5 @@
 name: Sync labels
 
-permissions:
-  pull-requests: write
-
 on:
   push:
     branches:
@@ -13,9 +10,13 @@ on:
 
 jobs:
   sync:
+    permissions:
+      pull-requests: write
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - uses: micnncim/action-label-syncer@v1
         with:
           prune: false
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 3893025..bd89106 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -4,33 +4,34 @@ on: [push, pull_request, workflow_dispatch]
 
 env:
   FORCE_COLOR: 1
-  PIP_DISABLE_PIP_VERSION_CHECK: 1
 
 permissions:
   contents: read
 
 jobs:
-  pre-commit:
+  lint:
     runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - uses: actions/setup-python@v5
         with:
           python-version: "3.x"
-          cache: pip
-      - uses: pre-commit/action@v3.0.1
+      - uses: tox-dev/action-pre-commit-uv@v1
 
   mypy:
     runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - uses: actions/setup-python@v5
         with:
           python-version: "3.x"
-          cache: pip
-      - name: Install dependencies
-        run: python3 -m pip install -U tox
+      - name: Install uv
+        uses: hynek/setup-cached-uv@v2
       - name: Mypy
-        run: tox -e mypy
+        run: uvx --with tox-uv tox -e mypy
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1c0e668..a2548a7 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,7 +7,6 @@ permissions:
 
 env:
   FORCE_COLOR: 1
-  PIP_DISABLE_PIP_VERSION_CHECK: 1
 
 jobs:
   test:
@@ -20,6 +19,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
@@ -30,18 +31,14 @@ jobs:
       - name: Install uv
         uses: hynek/setup-cached-uv@v2
 
-      - name: Install dependencies
-        run: |
-          uv pip install --system -U tox-uv
-
       - name: Tox tests
         run: |
-          tox -e py
+          uvx --with tox-uv tox -e py
 
       - name: Cog
         if: matrix.python-version == '3.11' && matrix.os == 'ubuntu-latest'
         run: |
-          tox -e cog
+          uvx --with tox-uv tox -e cog
 
       - name: Upload coverage
         uses: codecov/codecov-action@v3.1.5
diff --git a/pyproject.toml b/pyproject.toml
index bf45872..b38b2f7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -62,9 +62,9 @@ fix = true
 
 lint.select = [
   "C4",     # flake8-comprehensions
-  "E",      # pycodestyle errors
+  "E",      # pycodestyle
   "EM",     # flake8-errmsg
-  "F",      # pyflakes errors
+  "F",      # pyflakes
   "I",      # isort
   "ICN",    # flake8-import-conventions
   "ISC",    # flake8-implicit-str-concat
@@ -74,14 +74,15 @@ lint.select = [
   "RUF022", # unsorted-dunder-all
   "RUF100", # unused noqa (yesqa)
   "UP",     # pyupgrade
-  "W",      # pycodestyle warnings
+  "W",      # pycodestyle
   "YTT",    # flake8-2020
 ]
 lint.ignore = [
-  "E203", # Whitespace before ':'
-  "E221", # Multiple spaces before operator
-  "E226", # Missing whitespace around arithmetic operator
-  "E241", # Multiple spaces after ','
+  "E203",  # Whitespace before ':'
+  "E221",  # Multiple spaces before operator
+  "E226",  # Missing whitespace around arithmetic operator
+  "E241",  # Multiple spaces after ','
+  "UP038", # Makes code slower and more verbose
 ]
 lint.flake8-import-conventions.aliases.datetime = "dt"
 lint.flake8-import-conventions.banned-from = [ "datetime" ]
diff --git a/tox.ini b/tox.ini
index 40024a0..073d4ea 100644
--- a/tox.ini
+++ b/tox.ini
@@ -10,7 +10,13 @@ env_list =
 extras =
     tests
 commands =
-    {envpython} -m pytest --cov linkotron --cov tests --cov-report html --cov-report term --cov-report xml {posargs}
+    {envpython} -m pytest \
+      --cov linkotron \
+      --cov tests \
+      --cov-report html \
+      --cov-report term \
+      --cov-report xml \
+      {posargs}
     linky --version
     linky --help
 
@@ -32,7 +38,7 @@ commands =
 [testenv:mypy]
 deps =
     httpx
-    mypy==1.10.1
+    mypy==1.12
     platformdirs
     pyperclip
     pytest