diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2b357b9eb237464666e677a91192509ef0c7dd23..682b44f758f26048fc4caecd414a6b88f0c9d574 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -22,7 +22,7 @@ jobs:
           fetch-depth: 0
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.9
+          python-version: '3.12'
       - run: pip install -r requirements.txt
       - run: mkdocs gh-deploy --config-file mkdocs.yml --force