Thread: BUG #15220: upgrade

The following bug has been logged on the website:

Bug reference:      15220
Logged by:          Diego de los Rios
Email address:      diego.delosrios@ncr.com
PostgreSQL version: 9.3.0
Operating system:   Linux
Description:

Hi, I need your help, now I have installed the version of postgres
(postgres-9.3.4-1.i386.openscg.rpm ) and I will need to upgrade to version
9.5

Are there some document, process or update ?? Could you share me the process
?? 

regards