diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 680202e3..3f13b886 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -35,7 +35,7 @@ jobs:
 
       - name: Publish to test PyPI
         run: |
-          poetry publish --repository testpypi --username __token__ --password ${{ secrets.TEST_PYPI_API_TOKEN }}
+          poetry publish --build --repository testpypi --username __token__ --password ${{ secrets.TEST_PYPI_API_TOKEN }}
 
       - name: Check that installation from test PyPI passes
         run: |
@@ -43,7 +43,7 @@ jobs:
 
       - name: Publish to PyPI
         run: |
-          poetry publish --username __token__ --password ${{ secrets.PYPI_API_TOKEN }}
+          poetry publish --build --username __token__ --password ${{ secrets.PYPI_API_TOKEN }}
 
       - name: Check that installation from PyPI passes
         run: |