diff --git a/ansible/roles/prometheus/tasks/config.yml b/ansible/roles/prometheus/tasks/config.yml
index f5bba6217d..2c4741b16d 100644
--- a/ansible/roles/prometheus/tasks/config.yml
+++ b/ansible/roles/prometheus/tasks/config.yml
@@ -111,6 +111,7 @@
     - Restart prometheus-mysqld-exporter container
 
 - name: Copying cloud config file for openstack exporter
+  become: true
   vars:
     service: "{{ prometheus_services['prometheus-openstack-exporter'] }}"
   template: