diff --git a/.github/workflows/pull_request_changelog.yml b/.github/workflows/pull_request_changelog.yml
index 1d0fdbcf..ff4028fe 100644
--- a/.github/workflows/pull_request_changelog.yml
+++ b/.github/workflows/pull_request_changelog.yml
@@ -16,7 +16,7 @@ jobs:
       - name: Set up Python 3.10
         uses: actions/setup-python@v2
         with:
-          python-version: 3.10
+          python-version: "3.10"
       - name: Install towncrier
         run: pip install towncrier