diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index fedbad1..089ed48 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -89,9 +89,11 @@ jobs:
           mkdir -p ~/.ssh
           echo "$DEPLOY_KEY" > ~/.ssh/id_deploy
           chmod 600 ~/.ssh/id_deploy
-          ssh-keyscan localhost >> ~/.ssh/known_hosts 2>/dev/null || true
+          # Docker 컨테이너 → 호스트: bridge gateway(172.17.0.1) 경유
+          DOCKER_HOST_IP=172.17.0.1
+          ssh-keyscan $DOCKER_HOST_IP >> ~/.ssh/known_hosts 2>/dev/null || true
 
-          SSH_CMD="ssh -i ~/.ssh/id_deploy -o StrictHostKeyChecking=no root@localhost"
+          SSH_CMD="ssh -i ~/.ssh/id_deploy -o StrictHostKeyChecking=no root@$DOCKER_HOST_IP"
 
           $SSH_CMD bash -s << 'RESTART'
           set -e