diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index e08aa81..fd3afeb 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -1,33 +1,92 @@
-name: Publish Python 🐍 distributions 📦 to PyPI and TestPyPI
+name: Build and publish Python 🐍 distribution 📦 to PyPI and GH
 
-on: push
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - 'v[0-9].[0-9]+.[0-9]+'
 
 jobs:
-  build-n-publish:
-    name: Build and publish Python 🐍 distributions 📦 to PyPI and TestPyPI
-    runs-on: ubuntu-18.04
+
+  build:
+    name: Build Python 🐍 distribution 📦
+    runs-on: ubuntu-latest
+
     steps:
     - uses: actions/checkout@v4
-    - name: Set up Python 3.8
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.12
     - name: Install pypa/build
-      run: >-
-        python -m
-        pip install
-        build
-        --user
+      run: python -m pip install --user build
     - name: Build a binary wheel and a source tarball
-      run: >-
-        python -m
-        build
-        --sdist
-        --wheel
-        --outdir dist/
-        .
+      run: python -m build
+    - name: Store the distribution packages
+      uses: actions/upload-artifact@v3
+      with:
+        name: python-package-distributions
+        path: dist/
+
+  publish:
+    name: Publish Python 🐍 distributions 📦 to PyPI
+    runs-on: ubuntu-latest
+    needs:
+    - build
+    if: startsWith(github.ref, 'refs/tags')
+
+    environment:
+      name: pypi
+      url: https://pypi.org/p/pegen
+    permissions:
+      id-token: write
+
+    steps:
+    - name: Download all the dists
+      uses: actions/download-artifact@v3
+      with:
+        name: python-package-distributions
+        path: dist/
     - name: Publish distribution 📦 to PyPI
-      if: startsWith(github.ref, 'refs/tags')
-      uses: pypa/gh-action-pypi-publish@master
+      uses: pypa/gh-action-pypi-publish@release/v1
+
+  github-release:
+    name: >-
+      Sign the Python 🐍 distribution 📦 with Sigstore
+      and create a GitHub Release
+    runs-on: ubuntu-latest
+    needs:
+    - publish
+
+    permissions:
+      contents: write
+      id-token: write
+
+    steps:
+    - name: Download all the dists
+      uses: actions/download-artifact@v3
+      with:
+        name: python-package-distributions
+        path: dist/
+    - name: Sign the dists with Sigstore
+      uses: sigstore/gh-action-sigstore-python@v1.2.3
       with:
-        password: ${{ secrets.PYPI_API_TOKEN }}
+        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 }}'
+        --generate-notes
+    - name: Upload artifact signatures to GitHub Release
+      env:
+        GITHUB_TOKEN: ${{ github.token }}
+      run: >-
+        gh release upload
+        '${{ github.ref_name }}' dist/**
+        --repo '${{ github.repository }}'
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 28c357b..b0214c7 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -3,7 +3,7 @@ name: Run test suite
 on:
   push:
     branches:
-      -main
+      - main
   pull_request:
     branches:
       - main
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.8','3.9','3.10', '3.11', '3.12-dev']
+        python-version: ['3.8','3.9','3.10', '3.11', '3.12']
     steps:
     - uses: actions/checkout@v4
     - name: Get history and tags for SCM versioning to work
diff --git a/pyproject.toml b/pyproject.toml
index 733d894..1aeb3da 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ license = {file = "LICENSE"}
 authors = [
   {name = "Guido van Rossum"},
   {name = "Pablo Galindo", email = "pablogsal@gmail.com"},
-  {name = "Lysandros Nikolaou"}
+  {name = "Lysandros Nikolaou", email = "lisandrosnik@gmail.com"}
 ]
 maintainers = [
   {name = "Matthieu C. Dartiailh", email = "m.dartiailh@gmail.com"}