hi,
current my graylog version is Graylog 4.0.5+d95b909,
from portal got showing The most recent stable Graylog version is 4.0.6 (Noir) released at 2021-04-07T00:00:00.000Z . Get it from https://www.graylog.org/.
May I know how I can do the update using ubuntu server 20.0.4?