Consul Enterprise supports an upgrade pattern that allows operators to deploy a complete cluster of new servers and then just wait for the upgrade to complete.
You can review more information about this functionality in the [Consul operator autopilot](https://www.consul.io/docs/commands/operator/autopilot.html) documentation as well as on the HashiCorp Learn [Automated Upgrade](https://learn.hashicorp.com/consul/day-2-operations/autopilot#upgrade-migrations) guide.