diff --git a/.github/workflows/build-wheels.yml b/.github/workflows/build-wheels.yml
deleted file mode 100644
index 472d500..0000000
--- a/.github/workflows/build-wheels.yml
+++ /dev/null
@@ -1,66 +0,0 @@
-name: Builds
-
-on:
-  push:
-    branches:
-    - master
-  pull_request:
-  # Run weekly at 1:23 UTC
-  release:
-    types:
-      - published
-  schedule:
-  - cron: '23 1 * * 0'
-  workflow_dispatch:
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository and submodules
-        uses: actions/checkout@v4
-        with:
-          submodules: recursive
-
-      - name: Set up Python
-        uses: actions/setup-python@v5
-
-      - name: Display Python version
-        run: python --version
-
-      - name: Build SDist and wheel
-        run: pipx run build
-
-      - name: Check metadata
-        run: pipx run twine check --strict dist/*
-
-      - name: List contents of sdist
-        run: python -m tarfile --list dist/*.tar.gz
-
-      - name: List contents of wheel
-        run: python -m zipfile --list dist/*.whl
-
-      - name: Upload to GitHub
-        uses: actions/upload-artifact@v4
-        with:
-          name: Packages
-          path: dist/*
-
-  upload_all:
-    environment: pypi
-    permissions:
-      id-token: write
-    runs-on: ubuntu-latest
-    if: github.event_name == 'release' && github.event.action == 'published'
-    steps:
-      - uses: actions/download-artifact@v4
-        with:
-          pattern: cibw-*
-          path: dist
-          merge-multiple: true
-
-      - uses: pypa/gh-action-pypi-publish@release/v1
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
new file mode 100644
index 0000000..1d26e20
--- /dev/null
+++ b/.github/workflows/publish.yml
@@ -0,0 +1,57 @@
+name: publish distributions
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+  # Run weekly at 1:23 UTC
+  schedule:
+    - cron: '23 1 * * 0'
+  workflow_dispatch:
+  release:
+    types:
+      - published
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+
+jobs:
+  dist:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - uses: hynek/build-and-inspect-python-package@v2
+
+  publish:
+    needs: [dist]
+    environment: pypi
+    permissions:
+      id-token: write
+      attestations: write
+      contents: read
+    runs-on: ubuntu-latest
+    if: github.repository_owner == 'thaler-lab' && github.event_name == 'release' && github.event.action == 'published'
+
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          name: Packages
+          path: dist
+
+      - name: Generate artifact attestation for sdist and wheel
+        uses: actions/attest-build-provenance@1c608d11d69870c2092266b3f9a6f3abbf17002c # v1.4.3
+        with:
+          subject-path: "dist/*"
+
+      - uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          print-hash: true
+          attestations: true
diff --git a/.github/workflows/upload-wheels.yml b/.github/workflows/upload-wheels.yml
deleted file mode 100644
index 66a1fd1..0000000
--- a/.github/workflows/upload-wheels.yml
+++ /dev/null
@@ -1,27 +0,0 @@
-name: Uploads
-
-on:
-  push:
-    branches:
-    - master
-  workflow_dispatch:
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  upload_all:
-    environment: pypi
-    permissions:
-      id-token: write
-    runs-on: ubuntu-latest
-    if: github.event_name == 'release' && github.event.action == 'published'
-    steps:
-      - uses: actions/download-artifact@v4
-        with:
-          pattern: cibw-*
-          path: dist
-          merge-multiple: true
-
-      - uses: pypa/gh-action-pypi-publish@release/v1