diff --git a/.github/workflows/build-pkg-manual.yml b/.github/workflows/build-pkg-manual.yml
index 8e920cf..9b62f94 100644
--- a/.github/workflows/build-pkg-manual.yml
+++ b/.github/workflows/build-pkg-manual.yml
@@ -21,7 +21,7 @@ jobs:
       - name: Build binary wheel and a source tarball
         run: |
           python setup.py install
-          python setup.py sdist bdist_wheel
+          python setup.py bdist_wheel
       - run: echo 'Tests successful. Publishing to PyPI now.'
       - name: Build app (Ubuntu / macOS)
         env:
diff --git a/.github/workflows/build-pkg.yml b/.github/workflows/build-pkg.yml
index f2359af..c831a5d 100644
--- a/.github/workflows/build-pkg.yml
+++ b/.github/workflows/build-pkg.yml
@@ -21,7 +21,8 @@ jobs:
           pip install -r requirements.txt
       - name: Build binary wheel and a source tarball
         run: |
-          python -m build
+          python setup.py install
+          python setup.py bdist_wheel
       - run: echo 'Tests successful. Publishing to PyPI now.'
       - name: Build app for PyPI (Ubuntu)
         env: