diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
index 6d3a5fd..b49402d 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -103,8 +103,8 @@ jobs:
         shell: bash
         run: |
           cd python
-          python -m pip install numpy
-          python setup.py sdist
+          pip install build
+          python -m build --sdist
 
       - name: Upload sdist
         uses: actions/upload-artifact@v4