diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index d7a9937..6ccfdfc 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -27,3 +27,36 @@ jobs:
 
     outputs:
       python-versions: ${{ steps.baipp.outputs.supported_python_classifiers_json_array }}
+
+  test:
+    name: Test on Python ${{ matrix.python-version }} on ${{ startsWith(matrix.os, 'macos-') && 'macOS' || startsWith(matrix.os, 'windows-') && 'Windows' || 'Linux' }}
+    runs-on: ${{ matrix.os }}
+    needs: build
+
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ${{ fromJson(needs.build-package.outputs.supported-python-versions) }}
+        os:
+          - ubuntu-latest
+          - macos-latest
+
+    steps:
+      - name: Download built package
+        uses: actions/download-artifact@v4
+        with:
+          name: Packages
+          path: dist
+      - run: tar xf dist/*.tar.gz --strip-components=1
+      - uses: actions/setup-python@v5
+        with:
+          python-version: |
+            ${{ matrix.python-version }}
+            3.x
+          allow-prereleases: true
+
+      - uses: astral-sh/setup-uv@v2
+      - run: uv pip install --system tox-uv
+
+      - name: Test
+        run: python -Im tox run --installpkg dist/*.whl -f py$(echo ${{ matrix.python-version }} | tr -d .)
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
deleted file mode 100644
index 89bd394..0000000
--- a/.github/workflows/main.yml
+++ /dev/null
@@ -1,68 +0,0 @@
-name: Test
-
-on:
-  push:
-    branches:
-      - main
-  pull_request:
-    branches:
-      - main
-
-concurrency:
-  group: test-${{ github.head_ref }}
-  cancel-in-progress: true
-
-env:
-  PYTHONUNBUFFERED: "1"
-  FORCE_COLOR: "1"
-
-jobs:
-  test:
-    name: Python ${{ matrix.python-version }} on ${{ startsWith(matrix.os, 'macos-') && 'macOS' || startsWith(matrix.os, 'windows-') && 'Windows' || 'Linux' }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        python-version:
-          - "3.9"
-          - "3.10"
-          - "3.11"
-          - "3.12"
-          - "3.13"
-        os:
-          - "ubuntu-latest"
-          - "macos-latest"
-          # - "windows-latest"
-
-    steps:
-      - uses: actions/checkout@v3
-
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
-        with:
-          python-version: ${{ matrix.python-version }}
-          allow-prereleases: true
-
-      - name: Get pip cache dir
-        id: pip-cache
-        run: |
-          echo "dir=$(pip cache dir)" >> $GITHUB_OUTPUT
-      - name: pip cache
-        uses: actions/cache@v3
-        with:
-          path: ${{ steps.pip-cache.outputs.dir }}
-          key: ${{ runner.os }}-pip-${{ hashFiles('pyproject.toml') }}
-          restore-keys: |
-            ${{ runner.os }}-pip-
-
-      - name: Install tox
-        run: pip install --upgrade tox
-
-      - name: Test
-        run: python -Im tox run -f py$(echo ${{ matrix.python-version }} | tr -d .)
-
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
-        with:
-          files: ./coverage.xml
-          name: Python ${{ matrix.python-version }} on ${{ startsWith(matrix.os, 'macos-') && 'macOS' || startsWith(matrix.os, 'windows-') && 'Windows' || 'Linux' }}