diff --git a/.cnb.yml b/.cnb.yml
index 57be8bf..52600c5 100644
--- a/.cnb.yml
+++ b/.cnb.yml
@@ -10,8 +10,9 @@ main:
       - name: sync to gitea
         image: tencentcom/git-sync
         settings:
-          target_url: https://git.xiongxiao.me/kevisual/cnb.git
-          auth_type: https
+          target_url: git@git.xiongxiao.me:kevisual/cnb.git
+          auth_type: ssh
+          ssh_key: ${GITEA_SSH_KEY}
           username: ${GITEA_USERNAME}
           password: ${GITEA_PASSWORD}
           git_host: git.xiongxiao.me