[otrs] Upgrading from 2.2.6 to 2.2.7 - how?

Hi, I have otrs 2.2.6 installed and running. However, I want to upgrade to 2.2.7 now . When I looked at the file UPGRADING, it only says how to upgrade from 2.1 to 2.2. What is the procedure to follow for upgrading to 2.2.7 from 2.2.6? Regards, Niran.