diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 4948d7a8e9..77118d6db4 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -24,7 +24,7 @@ jobs:
       - name: Build documentation (attiny-hal)
         run: cd mcu/attiny-hal/ && cargo doc --features attiny85
       - name: Deploy to GH-Pages
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./target/doc