diff --git a/.github/workflows/deploy-test-pypi.yml b/.github/workflows/deploy-test-pypi.yml
index e7290b2..e490dc2 100644
--- a/.github/workflows/deploy-test-pypi.yml
+++ b/.github/workflows/deploy-test-pypi.yml
@@ -163,9 +163,12 @@ jobs:
         name: Install Python
         with:
           python-version: '3.12'
+          
+      - name: Install build
+        run: pip install build
 
       - name: Build sdist
-        run: python setup.py sdist
+        run: python -m build --sdist
 
       - uses: actions/upload-artifact@v3
         with:
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 4eec81c..0290de2 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -167,8 +167,11 @@ jobs:
         with:
           python-version: '3.12'
 
+      - name: Install build
+        run: pip install build
+
       - name: Build sdist
-        run: python setup.py sdist
+        run: python -m build --sdist
 
       - uses: actions/upload-artifact@v3
         with: