diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index 40595e4..98905c2 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -21,11 +21,11 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install setuptools twine
+          python -m pip install build twine
       - name: Build and publish
         env:
           TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
           TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
         run: |
-          python setup.py sdist
+          python -m build .
           twine upload dist/*
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..40810cc
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,5 @@
+[build-system]
+requires = [
+  "setuptools",
+]
+build-backend = "setuptools.build_meta"