diff --git a/.github/workflows/deploy-doc.yml b/.github/workflows/deploy-doc.yml
index 5b8fbcc..41033da 100644
--- a/.github/workflows/deploy-doc.yml
+++ b/.github/workflows/deploy-doc.yml
@@ -21,7 +21,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           cache: "npm"