diff --git a/.github/workflows/build-book.yml b/.github/workflows/build-book.yml
index 953c56c..7694cc6 100644
--- a/.github/workflows/build-book.yml
+++ b/.github/workflows/build-book.yml
@@ -40,12 +40,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Download compiled book
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: build
           path: _build
       - name: Publish book on github pages
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: _build/html