diff --git a/roles/mysql/tasks/Ubuntu_18_mysql_server.yml b/roles/mysql/tasks/Ubuntu_18_mysql_server.yml
index f3e2d3d1ca7c2e7aa86a07b5dbbf54e3da2e7f17..e573a9187a9ffc76168341b23c37e04675d7c54b 100644
--- a/roles/mysql/tasks/Ubuntu_18_mysql_server.yml
+++ b/roles/mysql/tasks/Ubuntu_18_mysql_server.yml
@@ -13,6 +13,7 @@
     path: /etc/mysql/mariadb.conf.d/50-server.cnf
     regexp: '(.*bind.*)'
     replace: '#\1'
+  become: true
 
 - name: make sure mysql conf directory exists
   file: dest=/etc/mysql/conf.d state=directory