diff --git a/.github/workflows/push-main.yml b/.github/workflows/push-main.yml
index 68e378b5..bdccf761 100644
--- a/.github/workflows/push-main.yml
+++ b/.github/workflows/push-main.yml
@@ -21,7 +21,7 @@ jobs:
     - name: Run CI
       run: dotnet fsi build.fsx
     - name: Deploy docs
-      uses: peaceiris/actions-gh-pages@v3
+      uses: peaceiris/actions-gh-pages@v4
       with:
         personal_token: ${{ secrets.GITHUB_TOKEN }}
         publish_dir: ./output