why not sierra update for mp 2010?

Hi all,

i have a mac pro mid 2010 / 5.1 with 10.11.6. Today i had look at system updates. There were shown raw update 6.21, affinity 1.4.3, and safari 10.

But no sierra update.

Mac pro 2010 is listed as a sierra supported machine.

What shall i do? Wait one or two days (due to a round-robin rollout mechanism), or shall i ask for a downloadable combo updater?

greetings from germany

Chris