postgres update.

I have ubuntu 16.04 server with postgres version 9.3.17 . how to update 9.3.17 to 9.3.24?
i know it's old but for master/slave version i need to have a same version as master.
JasaidaAsked:
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lcohanDatabase AnalystCommented:
All you need is to update binaries to new minor version and restart the Postgres service - not the server/host.
https://www.postgresql.org/docs/9.3/static/upgrading.html
<<Minor releases never change the internal storage format and are always compatible with earlier and later minor releases of the same major version number, e.g., 8.4.2 is compatible with 8.4, 8.4.1 and 8.4.6. To update between compatible versions, you simply replace the executables while the server is down and restart the server. The data directory remains unchanged — minor upgrades are that simple.>>
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