help on bios update

Oct 3, 2017
10
0
510
so lets start with my build
i5 7600k
gigabyte b150m ddr3
corsair 500w
avexir ram 2x4gb
gtx 1060 3gb

thats just a brief description of my build i just wanted to ask which cpu should i buy to just perform a bios update on my motherboard i will also most likely be using that cpu for just doing bios updates

thanks in advance