diff --git a/.github/workflows/pelican.yml b/.github/workflows/pelican.yml
index 85efc6c..152ccf8 100644
--- a/.github/workflows/pelican.yml
+++ b/.github/workflows/pelican.yml
@@ -16,7 +16,7 @@ jobs:
       - name: Build site
         run: pelican content
       - name: Deploy site
-        uses: gh-pages/deploy
+        uses: gh-pages/deploy@4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           deploy_branch: master