diff --git a/.github/workflows/render_book.yml b/.github/workflows/render_book.yml
index 4004fe1..d57a7af 100644
--- a/.github/workflows/render_book.yml
+++ b/.github/workflows/render_book.yml
@@ -14,7 +14,7 @@ jobs:
       contents: write
     steps:
       - name: Check out repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: 'recursive'