diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2744270..ef52770 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -31,7 +31,7 @@ jobs:
         run: mvn clean verify
       - name: Publish Nightly Update Site
         if: github.event_name != 'release' && github.ref == 'refs/heads/main' && github.repository_owner == 'DataFlowAnalysis'
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           deploy_key: ${{ secrets.UPDATE_SITE_DEPLOY_KEY }}
           external_repository: DataFlowAnalysis/updatesite
@@ -40,7 +40,7 @@ jobs:
           publish_branch: main
       - name: Publish Release Update Site
         if: github.event_name == 'release' && github.repository_owner == 'DataFlowAnalysis'
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           deploy_key: ${{ secrets.UPDATE_SITE_DEPLOY_KEY }}
           external_repository: DataFlowAnalysis/updatesite