diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index ca41967..81e54b8 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -2,7 +2,7 @@ name: Deploy
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
 
 jobs:
   build:
@@ -16,17 +16,20 @@ jobs:
     - uses: conda-incubator/setup-miniconda@v2
       with:
         auto-update-conda: true
-        python-version: 3.8
+        python-version: "3.10"
         environment-file: .github/ci_support/environment.yml
         auto-activate-base: false
     - name: Install Jupyterbook
       shell: bash -l {0}
       run: |
-        echo "- file: README.md" > _toc.yml
-        for f in $(find . -name '*.ipynb' | sort -n); do echo "- file: ${f}" >> _toc.yml; done
+        echo "format: jb-book" > _toc.yml
+        echo "root: README" >> _toc.yml
+        echo "chapters:" >> _toc.yml
+        for f in $(find . -name '*.ipynb' | sort -n); do echo "- file: ${f#*/}" >> _toc.yml; done
         curl https://pyiron.org/images/logo_dark.png --output logo_dark.png
         bash .github/ci_support/write_book_config.sh
         rm CODE_OF_CONDUCT.md LICENSE
+        cat _toc.yml
         jupyter-book build . --path-output public
     - run: mv public/_build/html public_html
     - run: touch public_html/.nojekyll