diff --git a/.github/workflows/deploy_pypi.yml b/.github/workflows/deploy_pypi.yml
index 85a1e34b..5ebe40e6 100644
--- a/.github/workflows/deploy_pypi.yml
+++ b/.github/workflows/deploy_pypi.yml
@@ -27,7 +27,7 @@ jobs:
         python -m pip install build
     
     - name: Build
-      run: python -m build
+      run: python -m build --sdist
 
     - name: Publish
       uses: pypa/gh-action-pypi-publish@release/v1