diff --git a/.github/workflows/build-book.yaml b/.github/workflows/build-book.yaml
index cececdf..16f1d4a 100644
--- a/.github/workflows/build-book.yaml
+++ b/.github/workflows/build-book.yaml
@@ -45,7 +45,7 @@ jobs:
         # This overrides the 'output_dir' value in _bookdown.yaml.  It blocks local contributions but allows GitHub Actions to deliver html files where GitHub Pages can serve it.
 
       - name: Deploy to GitHub pages
-        uses: JamesIves/github-pages-deploy-action@v4.6.4
+        uses: JamesIves/github-pages-deploy-action@v4.6.8
         with:
           branch: gh-pages # The branch the action should deploy to.
           folder: .        # The folder the action should deploy.