Can't update to Windows 10 build 10122

[Claudia Wey]

I have a Surface 3 Pro, and I was hoping to upgrade to the latest build of Windows 10 (build 10122).
I am currently running on dual boot, and my Windows 10 partition is at build 10074.
The instructions I read around the internet indicates that I should just update using the Setting/Update functionality, but when I check for updates, it tells me that I am running the latest version, and that there are not available updates.
Any suggestions?
Thanks!
Claudia

 

[TheCudder]

Ensure you are in the Fast ring.