diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index 0506dc74..47f29986 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -21,7 +21,7 @@ jobs:
       - name: Build docs
         run: sbt docs/unidoc
       - name: Deploy to GitHub Pages
-        uses: JamesIves/github-pages-deploy-action@3.7.1
+        uses: JamesIves/github-pages-deploy-action@4.0.0
         with:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           BRANCH: gh-pages