---
 - hosts: ALL_UBUNTU
   any_errors_fatal: true
   gather_facts: true
   become: true
   tasks:

    - name: Copy file to remote system
      copy:
        src: /usr/local/ansible/files/update_os.sh
        dest: /usr/local/scripts/update_os.sh
        owner: root
        group: root
        mode: 0777
        backup: yes

when I run the play, it doesnt seem to put the updated file on the systems. There IS a file there with the same name but I am putting an updated copy there.