diff --git a/.github/workflows/pypi_publish.yml b/.github/workflows/pypi_publish.yml
index 928245a..41fa537 100644
--- a/.github/workflows/pypi_publish.yml
+++ b/.github/workflows/pypi_publish.yml
@@ -16,7 +16,7 @@ jobs:
     - name: Install pypa/build
       run:  python3 -m pip install build --user
     - name: Build a source tarball (wheel would have to be manylinux )
-      run: python3 -m build --sdist
+      run: python3 -m build --sdist ./python/
     - name: Store the distribution packages
       uses: actions/upload-artifact@v4
       with: