---
name: "docker-swarm-update"
section: "1"
platform: "linux"
package: "docker"
version: "1:29.9.2-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/docker-swarm-update"
---

# docker-swarm-update(1)

Update the swarm

## NAME

docker-swarm-update - Update the swarm

## SYNOPSIS

**docker swarm update \[OPTIONS\]**

## DESCRIPTION

Update the swarm

## OPTIONS

**--autolock**\[=false\]\
 	Change manager autolocking setting (true\|false)

**--cert-expiry**=2160h0m0s\
 	Validity period for node certificates (ns\|us\|ms\|s\|m\|h)

**--dispatcher-heartbeat**=5s\
 	Dispatcher heartbeat period (ns\|us\|ms\|s\|m\|h)

**--external-ca**=\
 	Specifications of one or more certificate signing endpoints

**--max-snapshots**=0\
 	Number of additional Raft snapshots to retain

**--snapshot-interval**=10000\
 	Number of log entries between Raft snapshots

**--task-history-limit**=5\
 	Task history retention limit

## SEE ALSO

**[docker-swarm(1)](/docker-swarm/1.md)**