diff --git a/scripts/agent/deploy-static/deploy_static_files.py b/scripts/agent/deploy-static/deploy_static_files.py
index 51011736664..853c8d997ed 100644
--- a/scripts/agent/deploy-static/deploy_static_files.py
+++ b/scripts/agent/deploy-static/deploy_static_files.py
@@ -11,7 +11,8 @@
 STATIC_FILE = 'https://backend-ai-k8s-agent-static.s3.ap-northeast-2.amazonaws.com/bai-static.tar.gz'
 
 ssh = paramiko.SSHClient()
-ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+ssh.load_system_host_keys()
+ssh.set_missing_host_key_policy(paramiko.RejectPolicy())
 
 for ip in sys.argv[1:]:
     ssh.connect(ip)