diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 559ed0e..465907b 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -24,7 +24,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ['3.10', '3.13']
+        python-version: ['3.10', '3.11', '3.12', '3.13']
         os: [ubuntu-latest, windows-latest]
 
     steps:
@@ -74,24 +74,87 @@ jobs:
       run: |
         pre-commit run --config .pre-commit-test.yaml --all-files --verbose --show-diff-on-failure
 
-  publish:
-    name: Publish to PyPi
-    needs: [pre-commit, tests, pre-commit-hook]
-    if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags')
+  build:
+    name: build
     runs-on: ubuntu-latest
     steps:
-    - name: Checkout source
-      uses: actions/checkout@v4
-    - name: Set up Python 3
-      uses: actions/setup-python@v5
-      with:
-        python-version: '3.x'
-    - name: install flit
-      run: |
-        pip install flit>=3.12.0
-    - name: Build and publish
-      run: |
-        flit publish
-      env:
-        FLIT_USERNAME: __token__
-        FLIT_PASSWORD: ${{ secrets.PYPI_KEY }}
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.x"
+      - name: Upgrade Pip
+        run: python -m pip install --upgrade pip
+      - name: Install Poetry
+        run: python -m pip install build
+      - name: Build a binary wheel and a source tarball
+        run: python3 -m build
+      - name: Store the distribution packages
+        uses: actions/upload-artifact@v4
+        with:
+          name: python-package-distributions
+          path: dist/
+
+  publish-to-pypi:
+    name: >-
+      Publish Python 🐍 distribution 📦 to PyPI
+    if: startsWith(github.ref, 'refs/tags/')  # only publish to PyPI on tag pushes
+    needs:
+    - build
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/mdformat_footnote
+    permissions:
+      id-token: write
+    steps:
+      - name: Download all the dists
+        uses: actions/download-artifact@v4
+        with:
+          name: python-package-distributions
+          path: dist/
+      - name: Publish distribution 📦 to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+
+  github-release:
+    name: >-
+      Sign the Python 🐍 distribution 📦 with Sigstore
+      and upload them to GitHub Release
+    needs:
+    - publish-to-pypi
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: write  # IMPORTANT: mandatory for making GitHub Releases
+      id-token: write  # IMPORTANT: mandatory for sigstore
+
+    steps:
+      - name: Download all the dists
+        uses: actions/download-artifact@v4
+        with:
+          name: python-package-distributions
+          path: dist/
+      - name: Sign the dists with Sigstore
+        uses: sigstore/gh-action-sigstore-python@v2.1.1
+        with:
+          inputs: >-
+            ./dist/*.tar.gz
+            ./dist/*.whl
+      - name: Create GitHub Release
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+        run: >-
+          gh release create
+          '${{ github.ref_name }}'
+          --repo '${{ github.repository }}'
+          --notes ""
+      - name: Upload artifact signatures to GitHub Release
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+        # Upload to GitHub Release using the `gh` CLI.
+        # `dist/` contains the built packages, and the
+        # sigstore-produced signatures and certificates.
+        run: >-
+          gh release upload
+          '${{ github.ref_name }}' dist/**
+          --repo '${{ github.repository }}'