ClickHouse/docs/en/operations/update.md

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47	ClickHouse Upgrade

ClickHouse Upgrade

If ClickHouse was installed from deb packages, execute the following commands on the server:

$ sudo apt-get update
$ sudo apt-get install clickhouse-client clickhouse-server
$ sudo service clickhouse-server restart

If you installed ClickHouse using something other than the recommended deb packages, use the appropriate update method.

:::note
You can update multiple servers at once as soon as there is no moment when all replicas of one shard are offline. :::

The upgrade of older version of ClickHouse to specific version:

As an example:

xx.yy.a.b is a current stable version. The latest stable version could be found here

$ sudo apt-get update
$ sudo apt-get install clickhouse-server=xx.yy.a.b clickhouse-client=xx.yy.a.b clickhouse-common-static=xx.yy.a.b
$ sudo service clickhouse-server restart