diff --git a/.github/workflows/publish-PyPI.yml b/.github/workflows/publish-PyPI.yml
index 7df022b2..94556a4a 100644
--- a/.github/workflows/publish-PyPI.yml
+++ b/.github/workflows/publish-PyPI.yml
@@ -12,100 +12,27 @@ on:
         type: string
 
 jobs:
-  build-wheels:
-    name: Build wheels on ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          ref: ${{ inputs.tag_name || github.ref }}
-          fetch-depth: 0
-
-      - name: Set up Rust
-        uses: dtolnay/rust-toolchain@stable
-
-      - name: Add macOS Rust targets
-        if: runner.os == 'macOS'
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          targets: x86_64-apple-darwin, aarch64-apple-darwin
-
-      - name: Build wheels
-        uses: pypa/cibuildwheel@v4.1.0
-        env:
-          CIBW_BUILD: cp312-* cp313-* cp314-*
-          CIBW_PRERELEASE_PYTHONS: True
-          CIBW_SKIP: "*-musllinux_*"
-          CIBW_ARCHS_MACOS: "x86_64 arm64"
-          CIBW_ARCHS_LINUX: "x86_64"
-          CIBW_ARCHS_WINDOWS: "AMD64"
-          # cibuildwheel runs the linux versions only inside a
-          # container. This means we need to install rust inside that
-          # container before we go ahead and build.
-          CIBW_BEFORE_ALL_LINUX: >
-            curl https://sh.rustup.rs -sSf | sh -s -- -y &&
-            source "$HOME/.cargo/env"
-          CIBW_ENVIRONMENT_LINUX: PATH="$PATH:$HOME/.cargo/bin"
-
-      - name: Store the distribution packages
-        uses: actions/upload-artifact@v4
-        with:
-          name: python-package-distributions-${{ matrix.os }}
-          path: ./wheelhouse/*.whl
-
-  build-sdist:
-    name: Build source distribution
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          ref: ${{ inputs.tag_name || github.ref }}
-          fetch-depth: 0
-
-      - name: Set up Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.12"
-
-      - name: Install build
-        run: python -m pip install build
-
-      - name: Build sdist
-        run: python -m build --sdist
-
-      - name: Store the distribution packages
-        uses: actions/upload-artifact@v4
-        with:
-          name: python-package-distributions-sdist
-          path: dist/*.tar.gz
+  # sdist plus a cibuildwheel matrix (Linux, macOS, Windows) over every CPython
+  # that requires-python allows. See ucgmsim/meta-ci-action's README.
+  build:
+    uses: ucgmsim/meta-ci-action/.github/workflows/build-dist.yml@v2.3
+    with:
+      ref: ${{ inputs.tag_name }} # empty on a release: builds the release tag
+      # Only GIL-enabled CPythons: free-threaded (*t-*) wheels are not built.
+      cibw-skip: "pp* *-musllinux_* *t-*"
 
   publish-to-pypi:
     name: Publish to PyPI
-    needs:
-      - build-wheels
-      - build-sdist
+    needs: build
     runs-on: ubuntu-latest
-
     environment:
       name: pypi
       url: https://pypi.org/p/im-calculation
-
     permissions:
       id-token: write
-
     steps:
-      - name: Download all the dists
-        uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v4
         with:
-          pattern: python-package-distributions-*
-          path: dist
-          merge-multiple: true
-
-      - name: Publish distribution to PyPI
-        uses: pypa/gh-action-pypi-publish@v1.13.0
+          name: ${{ needs.build.outputs.artifact-name }}
+          path: dist/
+      - uses: pypa/gh-action-pypi-publish@v1.13.0