diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 1415cab..3c8729c 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -105,9 +105,9 @@ jobs:
           GUSTAV_KEY: ${{ secrets.GUSTAV_KEY }}
         run: |+
           eval "$(ssh-agent -s)"
-          echo $GUSTAV_KEY | base64 -di > .github/id_rsa
-          chmod 600 .github/id_rsa
-          ssh-add .github/id_rsa
+          echo $GUSTAV_KEY | base64 -di > .github/id_ed2551
+          chmod 600 .github/id_ed2551
+          ssh-add .github/id_ed2551
 
       - name: Publish API documentation (tag)
         if: startsWith(github.event.ref, 'refs/tags/v')