diff --git a/.github/workflows/Publish_pyHAMS.yml b/.github/workflows/Publish_pyHAMS.yml
new file mode 100644
index 0000000..f62d901
--- /dev/null
+++ b/.github/workflows/Publish_pyHAMS.yml
@@ -0,0 +1,73 @@
+name: Build and upload to PyPI
+
+# Build on every branch push, tag push, and pull request change:
+#on: [push, pull_request]
+# Alternatively, to publish when a (published) GitHub Release is created, use the following:
+on:
+    release:
+        types:
+            - published
+
+jobs:
+  build_wheels:
+    name: Build wheels on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+
+    steps:
+      - name: Setup GNU Fortran
+        #  if: false == contains( matrix.os, 'windows')
+        uses: awvwgk/setup-fortran@v1 #modflowpy/install-intelfortran-action@v1 #
+            
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Build wheels
+        uses: pypa/cibuildwheel@v2.16.2
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: cibw-wheels-${{ matrix.os }}-${{ strategy.job-index }}
+          path: ./wheelhouse/*.whl
+          
+  build_sdist:
+    name: Build source distribution
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Build sdist
+        run: pipx run build --sdist
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: cibw-sdist
+          path: dist/*.tar.gz
+
+  upload_pypi:
+    needs: [build_wheels, build_sdist]
+    runs-on: ubuntu-latest
+    environment: pypi
+    permissions:
+      id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
+    # upload to PyPI on every tag starting with 'v'
+    #if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
+    # alternatively, to publish when a GitHub Release is created, use the following rule:
+    if: github.event_name == 'release' && github.event.action == 'published'
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          # unpacks all CIBW artifacts into dist/
+          pattern: cibw-*
+          path: dist
+          merge-multiple: true
+
+      - name: Upload to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        #with:
+        #  user: __token__
+        #  password: ${{ secrets.pypi_password }}
+        #  # To test: repository_url: https://test.pypi.org/legacy/
+
diff --git a/.gitignore b/.gitignore
index 35e2455..10a3c25 100644
--- a/.gitignore
+++ b/.gitignore
@@ -131,3 +131,6 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+
+# Emacs
+*~