diff --git a/ansible/roles/designate/tasks/backend_external.yml b/ansible/roles/designate/tasks/backend_external.yml
index 717fb5f525..06cf3af959 100644
--- a/ansible/roles/designate/tasks/backend_external.yml
+++ b/ansible/roles/designate/tasks/backend_external.yml
@@ -4,6 +4,7 @@
     src: "{{ node_custom_config }}/designate/rndc.conf"
     dest: "{{ node_config_directory }}/{{ item.key }}/rndc.conf"
     mode: "0660"
+  become: true
   when:
     - designate_backend_external == 'bind9'
     - item.key in [ "designate-worker" ]
@@ -18,6 +19,7 @@
     src: "{{ node_custom_config }}/designate/rndc.key"
     dest: "{{ node_config_directory }}/{{ item.key }}/rndc.key"
     mode: "0660"
+  become: true
   when:
     - designate_backend_external == 'bind9'
     - item.key in [ "designate-worker" ]