diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index b176cfd..d8db9ac 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -29,5 +29,5 @@ jobs:
           echo "SSH_AUTH_SOCK=${SSH_AUTH_SOCK}" >> $GITHUB_ENV
       - name: Deploy zones
         run: |
-          scp -r zones catalog-zones ${{ secrets.SSH_PRIMARY_NS }}:/var/lib/knot/
-          ssh ${{ secrets.SSH_PRIMARY_NS }} /usr/sbin/knotc reload
+          scp -4 -r zones catalog-zones ${{ secrets.SSH_PRIMARY_NS }}:/var/lib/knot/
+          ssh -4 ${{ secrets.SSH_PRIMARY_NS }} /usr/sbin/knotc reload