diff --git a/.github/workflows/release-python.yml b/.github/workflows/release-python.yml
index 2f79215..d79bd3c 100644
--- a/.github/workflows/release-python.yml
+++ b/.github/workflows/release-python.yml
@@ -82,8 +82,14 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - name: Setup Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: 3.7
       - name: Build SDist
-        run: python setup.py sdist --dist-dir=dist --formats=gztar
+        run: |
+          python -m pip install build
+          python -m build --sdist
       - uses: actions/upload-artifact@v3
         with:
           name: "sdist"
diff --git a/pyproject.toml b/pyproject.toml
index 67fb76f..ebf2220 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,9 +1,9 @@
 [build-system]
-requires = ["setuptools>=62.0"]
+requires = ["setuptools>=65"]
 build-backend = "setuptools.build_meta"
 
 [tool.setuptools]
-packages = ["bsonjs"]
+packages = []
 
 [project]
 name = "python-bsonjs"