diff --git a/.github/workflows/gh-page.yml b/.github/workflows/gh-page.yml
index 9518525..5646672 100644
--- a/.github/workflows/gh-page.yml
+++ b/.github/workflows/gh-page.yml
@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Setup mdBook
-        uses: peaceiris/actions-mdbook@v1
+        uses: peaceiris/actions-mdbook@v2
         with:
           mdbook-version: "latest"
           # mdbook-version: 'latest' / "0.4.25"