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title = "swarm update"
description = "The swarm update command description and usage"
keywords = ["swarm, update"]
advisory = "rc"
[menu.main]
parent = "smn_cli"
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<![end-metadata]-->

# swarm update

    Usage:  docker swarm update [OPTIONS]

    update the Swarm.

    Options:
          --auto-accept value               Auto acceptance policy (worker, manager or none)
          --dispatcher-heartbeat duration   Dispatcher heartbeat period (default 5s)
          --help                            Print usage
          --secret string                   Set secret value needed to accept nodes into cluster
          --task-history-limit int          Task history retention limit (default 10)

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)