Before upgrading Foreman/Katello to 3.0.1/4.2.0

Hi
I’m currently running Foreman 2.5.2 and Katello 4.1.2 on my main server + 3 smart proxies.
Am I ok going for an upgrade:

Foreman 2.5.2 -> 3.0.1
Katello 4.1.2 -> 4.2.0

Thanks