diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e8f04fe..a7213e0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -60,7 +60,7 @@ jobs:
       - run: mv dutch/Dutch/*/*.pdf ./nl/
       - run: mkdir en
       - run: mv english/English/*/*/*.pdf ./en/
-      - uses: peaceiris/actions-gh-pages@v3.9.3
+      - uses: peaceiris/actions-gh-pages@v4.0.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: .