diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9b9550a..2dc085e 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:
@@ -26,25 +25,22 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           allow-prereleases: true
-          cache: pip
 
-      - name: Install dependencies
-        run: |
-          python -m pip install -U pip
-          python -m pip install -U tox
+      - name: Install uv
+        uses: hynek/setup-cached-uv@v2
 
       - name: Tox tests
         run: |
-          tox -e py
+          uvx --with tox-uv tox -e py
 
       - name: Test CLI
         run: |
-          tox -e cli
+          uvx --with tox-uv tox -e cli
 
       - name: Tox tests (pins)
         if: matrix.python-version == '3.12' && matrix.os == 'ubuntu-latest'
         run: |
-          tox -e pins
+          uvx --with tox-uv tox -e pins
 
       - name: Upload coverage
         uses: codecov/codecov-action@v3.1.5
diff --git a/pyproject.toml b/pyproject.toml
index 3cdac46..9d6cb88 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -85,10 +85,11 @@ lint.select = [
   "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 7132ec8..cb0dfdf 100644
--- a/tox.ini
+++ b/tox.ini
@@ -46,7 +46,7 @@ commands =
     pre-commit run --all-files --show-diff-on-failure
 
 [testenv:pins]
+deps =
+    -r requirements.txt
 extras =
     None
-commands_pre =
-    {envpython} -m pip install -r requirements.txt