diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e0981ba47f629ee66aeff690d4154020cee7bb91..fc6a65219b4ae8d08d644207c7606a9319b58dbf 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -115,7 +115,7 @@ ansible_create_cluster_stage:
     - pwd
     - python3 ./make_files.py ./inventory.yml ./infra/os_vars.yml ./vars/versions.yml
     - ssh-keygen -R `cat ssh.cfg  | grep Proxy | cut -f 2 -d "@"`
-    - ssh `cat ssh.cfg  | grep Proxy | cut -f 2 -d "="` -o StrictHostKeyChecking=accept-new exit 0
+    - ssh `cat ssh.cfg  | grep Proxy | cut -f 2 -d "="` -o StrictHostKeyChecking=no exit 0
     - ansible-playbook -i inventory.yml --key-file ../tmp_key  upgrade_and_reboot.yml
     - ansible-playbook -i inventory.yml --key-file ../tmp_key  master_playbook.yml
     - sleep 15