**Warning:** this command is part of the Swarm management feature introduced in Docker 1.12, and might be subject to non backward-compatible changes. # swarm update Usage: docker swarm update [OPTIONS] update the Swarm. Options: --auto-accept value Acceptance policy (default [worker,manager]) --help Print usage --secret string Set secret value needed to accept nodes into cluster Updates a Swarm cluster with new parameter values. This command must target a manager node. ```bash $ docker swarm update --auto-accept manager ``` ## Related information * [swarm init](swarm_init.md) * [swarm join](swarm_join.md) * [swarm leave](swarm_leave.md)