diff --git a/.github/workflows/check.yaml b/.github/workflows/check.yaml
new file mode 100644
index 0000000..687a606
--- /dev/null
+++ b/.github/workflows/check.yaml
@@ -0,0 +1,56 @@
+name: check
+on:
+  workflow_dispatch:
+  push:
+    branches: ["main"]
+    tags-ignore: ["**"]
+  pull_request:
+  schedule:
+    - cron: "0 8 * * *"
+
+concurrency:
+  group: check-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        env:
+          - "pypy-3.10"
+          - "pypy-3.9"
+          - "3.13"
+          - "3.12"
+          - "3.11"
+          - "3.10"
+          - "3.9"
+          - "3.8"
+          - type
+          - dev
+          - pkg_meta
+    steps:
+      - name: Install OS dependencies
+        run: sudo apt-get install graphviz -y
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Install the latest version of uv
+        uses: astral-sh/setup-uv@v3
+        with:
+          enable-cache: true
+          cache-dependency-glob: "pyproject.toml"
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Install tox
+        run: uv tool install --python-preference only-managed --python 3.13 tox --with tox-uv
+      - name: Install Python
+        if: (startsWith(matrix.env, '3.') || startsWith(matrix.env, 'pypy-')) && matrix.env != '3.13'
+        run: uv python install --python-preference only-managed ${{ matrix.env }}
+      - name: Setup test suite
+        run: tox run -vv --notest --skip-missing-interpreters false -e ${{ matrix.env }}
+      - name: Run test suite
+        run: tox run --skip-pkg-install -e ${{ matrix.env }}
+        env:
+          PYTEST_ADDOPTS: "-vv --durations=20"
+          DIFF_AGAINST: HEAD
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
deleted file mode 100644
index 227c086..0000000
--- a/.github/workflows/check.yml
+++ /dev/null
@@ -1,75 +0,0 @@
-name: check
-on:
-  workflow_dispatch:
-  push:
-    branches: ["main"]
-  pull_request:
-  schedule:
-    - cron: "0 8 * * *"
-
-concurrency:
-  group: check-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  test:
-    name: test ${{ matrix.py }}
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        py:
-          - "pypy3.10"
-          - "pypy3.9"
-          - "3.13"
-          - "3.12"
-          - "3.11"
-          - "3.10"
-          - "3.9"
-          - "3.8"
-    steps:
-      - name: Install OS dependencies
-        run: sudo apt-get install graphviz -y
-      - name: setup python for tox
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.12"
-      - name: install tox
-        run: python -m pip install tox-uv
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-      - name: setup python for test ${{ matrix.py }}
-        uses: actions/setup-python@v5
-        with:
-          python-version: ${{ matrix.py }}
-          allow-prereleases: true
-      - name: Pick environment to run
-        run: echo "TOXENV=`echo ${{ matrix.py }} | sed 's/pypy3\./pypy3/g'`" >> $GITHUB_ENV
-      - name: setup test suite
-        run: tox run -vv --notest --skip-missing-interpreters false
-      - name: run test suite
-        run: tox run --skip-pkg-install
-
-  check:
-    name: tox env ${{ matrix.tox_env }}
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        tox_env:
-          - type
-          - dev
-          - readme
-    steps:
-      - uses: actions/checkout@v4
-      - name: setup Python 3.12
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.12"
-      - name: install tox
-        run: python -m pip install tox-uv
-      - name: Setup test suite
-        run: tox -vv --notest --skip-missing-interpreters false -e ${{ matrix.tox_env }}
-      - name: Run test suite
-        run: tox --skip-pkg-install -e ${{ matrix.tox_env }}
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
new file mode 100644
index 0000000..46415ce
--- /dev/null
+++ b/.github/workflows/release.yaml
@@ -0,0 +1,48 @@
+name: Release to PyPI
+on:
+  push:
+    tags: ["*"]
+
+env:
+  dists-artifact-name: python-package-distributions
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Install the latest version of uv
+        uses: astral-sh/setup-uv@v3
+        with:
+          enable-cache: true
+          cache-dependency-glob: "pyproject.toml"
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build package
+        run: uv build --python 3.13 --python-preference only-managed --sdist --wheel . --out-dir dist
+      - name: Store the distribution packages
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ env.dists-artifact-name }}
+          path: dist/*
+
+  release:
+    needs:
+      - build
+    runs-on: ubuntu-latest
+    environment:
+      name: release
+      url: https://pypi.org/project/pipdeptree/${{ github.ref_name }}
+    permissions:
+      id-token: write
+    steps:
+      - name: Download all the dists
+        uses: actions/download-artifact@v4
+        with:
+          name: ${{ env.dists-artifact-name }}
+          path: dist/
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@v1.10.1
+        with:
+          attestations: true
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
deleted file mode 100644
index 55c7df6..0000000
--- a/.github/workflows/release.yml
+++ /dev/null
@@ -1,27 +0,0 @@
-name: Release to PyPI
-on:
-  push:
-    tags: ["*"]
-
-jobs:
-  release:
-    runs-on: ubuntu-latest
-    environment:
-      name: release
-      url: https://pypi.org/p/pipdeptree
-    permissions:
-      id-token: write
-    steps:
-      - name: Setup python to build package
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.12"
-      - name: Install build
-        run: python -m pip install build
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-      - name: Build package
-        run: pyproject-build -s -w . -o dist
-      - name: Publish to PyPI
-        uses: pypa/gh-action-pypi-publish@v1.10.1
diff --git a/tox.ini b/tox.ini
index ad8593c..e396d11 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,28 +11,29 @@ env_list =
     3.9
     3.8
     type
-    readme
+    pkg_meta
 skip_missing_interpreters = true
 
 [testenv]
-description = run the unit tests with pytest under {basepython}
+description = run the unit tests with pytest under {base_python}
 package = wheel
 wheel_build_env = .pkg
 extras =
     graphviz
     test
+pass_env =
+    DIFF_AGAINST
+    PYTEST_*
 set_env =
-    COVERAGE_FILE = {toxworkdir}/.coverage.{envname}
-    COVERAGE_PROCESS_START = {toxinidir}/setup.cfg
-    _COVERAGE_SRC = {envsitepackagesdir}/sphinx_argparse_cli
+    COVERAGE_FILE = {work_dir}/.coverage.{env_name}
 commands =
     python -m pytest {tty:--color=yes} {posargs: \
-      --cov {envsitepackagesdir}{/}pipdeptree --cov {toxinidir}{/}tests \
+      --cov {env_site_packages_dir}{/}pipdeptree --cov {tox_root}{/}tests \
       --cov-config=pyproject.toml --no-cov-on-fail --cov-report term-missing:skip-covered --cov-context=test \
-      --cov-report html:{envtmpdir}{/}htmlcov --cov-report xml:{toxworkdir}{/}coverage.{envname}.xml \
-      --junitxml {toxworkdir}{/}junit.{envname}.xml \
+      --cov-report html:{env_tmp_dir}{/}htmlcov --cov-report xml:{work_dir}{/}coverage.{env_name}.xml \
+      --junitxml {work_dir}{/}junit.{env_name}.xml \
       tests}
-    diff-cover --compare-branch {env:DIFF_AGAINST:origin/main} {toxworkdir}{/}coverage.{envname}.xml --fail-under 100
+    diff-cover --compare-branch {env:DIFF_AGAINST:origin/main} {work_dir}{/}coverage.{env_name}.xml --fail-under 100
 
 [testenv:fix]
 description = format the code base to adhere to our styles, and complain about what we cannot do automatically
@@ -50,15 +51,17 @@ commands =
     mypy src
     mypy tests
 
-[testenv:readme]
+[testenv:pkg_meta]
 description = check that the long description is valid
 skip_install = true
 deps =
-    build[uv]>=1.2.2
+    check-wheel-contents>=0.6
     twine>=5.1.1
+    uv>=0.4.10
 commands =
-    pyproject-build --installer uv --sdist --wheel -o {envtmpdir} .
-    twine check {envtmpdir}/*
+    uv build --sdist --wheel --out-dir {env_tmp_dir} .
+    twine check {env_tmp_dir}{/}*
+    check-wheel-contents --no-config {env_tmp_dir}
 
 [testenv:dev]
 description = generate a DEV environment