diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 58d04cf..615b6ad 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -9,8 +9,11 @@ on:
       - v*
   pull_request:
 
+env:
+  UV_SYSTEM_PYTHON: 1
+
 jobs:
-  metadata_please-just-tests:
+  test:
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
@@ -18,9 +21,9 @@ jobs:
         python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
         os: [macOS-latest, ubuntu-latest, windows-latest]
         exclude:
-          # macOS-latest are now on arm64
-          - os: macOS-latest
-            python-version: "3.7"
+        # no amd64 3.7
+        - python-version: "3.7"
+          os: macOS-latest
 
     steps:
       - name: Checkout
@@ -29,35 +32,46 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
-          allow-prereleases: true
+      - uses: astral-sh/setup-uv@v3
       - name: Install
         run: |
-          python -m pip install --upgrade pip
-          pip install -U .
+          uv pip install -e .[test]
       - name: Test
-        run: python -m metadata_please.tests
-
-  metadata_please:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        python-version: ["3.10", "3.11", "3.12"]
-        os: [macOS-latest, ubuntu-latest, windows-latest]
+        run: make test
+      - name: Lint
+        run: |
+          uv pip install -e .[test,dev]
+          make lint
+        if: ${{ matrix.python-version != '3.9' && matrix.python-version != '3.8' && matrix.python-version != '3.7' }}
 
+  build:
+    needs: test
+    runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Set Up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: "3.12"
+      - uses: astral-sh/setup-uv@v3
       - name: Install
-        run: |
-          python -m pip install --upgrade pip
-          make setup
-          pip install -U .
-      - name: Test
-        run: make test
-      - name: Lint
-        run: make lint
+        run: uv pip install build
+      - name: Build
+        run: python -m build
+      - name: Upload
+        uses: actions/upload-artifact@v3
+        with:
+          name: sdist
+          path: dist
+
+  publish:
+    needs: build
+    runs-on: ubuntu-latest
+    if: startsWith(github.ref, 'refs/tags/v')
+    permissions:
+      id-token: write
+    steps:
+      - uses: actions/download-artifact@v3
+        with:
+          name: sdist
+          path: dist
+      - uses: pypa/gh-action-pypi-publish@release/v1