diff --git a/.github/workflows/auto-publish.yml b/.github/workflows/auto-publish.yml
index 1c39136..76636e2 100644
--- a/.github/workflows/auto-publish.yml
+++ b/.github/workflows/auto-publish.yml
@@ -11,6 +11,9 @@ jobs:
       contents: write
     steps:
       - uses: actions/checkout@v6
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
       - uses: w3c/spec-prod@v2
         with:
           GH_PAGES_BRANCH: gh-pages