diff --git a/.github/workflows/setup.yml b/.github/workflows/setup.yml
index fb416bdf..cc52c0cf 100644
--- a/.github/workflows/setup.yml
+++ b/.github/workflows/setup.yml
@@ -62,7 +62,7 @@ jobs:
           command: "site"
         env:
           GH_PAT: ${{ secrets.GH_PAT || github.token }}
-      - uses: peaceiris/actions-gh-pages@v3.7.3
+      - uses: peaceiris/actions-gh-pages@v4
         name: GitHub Pages Deploy
         with:
           github_token: ${{ secrets.GH_PAT || github.token }}
diff --git a/.github/workflows/site.yml b/.github/workflows/site.yml
index 97f0afbe..af7e5982 100644
--- a/.github/workflows/site.yml
+++ b/.github/workflows/site.yml
@@ -38,7 +38,7 @@ jobs:
           command: "site"
         env:
           GH_PAT: ${{ secrets.GH_PAT || github.token }}
-      - uses: peaceiris/actions-gh-pages@v3.7.3
+      - uses: peaceiris/actions-gh-pages@v4
         name: GitHub Pages Deploy
         with:
           github_token: ${{ secrets.GH_PAT || github.token }}