diff --git a/.github/workflows/quarto-book-gh-pages.yaml b/.github/workflows/quarto-book-gh-pages.yaml
index 1689b0d..7a1c964 100644
--- a/.github/workflows/quarto-book-gh-pages.yaml
+++ b/.github/workflows/quarto-book-gh-pages.yaml
@@ -19,7 +19,9 @@ jobs:
   build-deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
+        with:
+          lfs: true
 
       - name: update
         run: sudo apt-get update