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---
toc_priority: 47
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toc_title: ClickHouse Upgrade
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---
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# ClickHouse Upgrade {#clickhouse-upgrade}
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If ClickHouse was installed from `deb` packages, execute the following commands on the server:
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``` bash
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$ sudo apt-get update
$ sudo apt-get install clickhouse-client clickhouse-server
$ sudo service clickhouse-server restart
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```
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If you installed ClickHouse using something other than the recommended `deb` packages, use the appropriate update method.
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ClickHouse does not support a distributed update. The operation should be performed consecutively on each separate server. Do not update all the servers on a cluster simultaneously, or the cluster will be unavailable for some time.
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The upgrade of older version of ClickHouse to specific version:
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As an example:
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`xx.yy.a.b` is a current stable version. The latest stable version could be found [here ](https://github.com/ClickHouse/ClickHouse/releases )
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```bash
$ sudo apt-get update
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$ sudo apt-get install clickhouse-server=xx.yy.a.b clickhouse-client=xx.yy.a.b clickhouse-common-static=xx.yy.a.b
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$ sudo service clickhouse-server restart
```
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