diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index b765e44..264b220 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -32,7 +32,7 @@ jobs:
 
       - name: Build source and wheel distributions
         run: |
-          python -m pip install --upgrade pip wheel twine
+          python -m pip install --upgrade pip wheel twine tomli
           python setup.py sdist bdist_wheel
           twine check --strict dist/*