Version 5.8.0 is available for download on https://www.nuget.org/downloads, however nuget 5.7.0 is not able to update itself and download version 5.8.0.
C:\augustoproiete>nuget.exe update -self
Checking for updates from https://api.nuget.org/v3/index.json [https://api.nuget.org/v3/index.json].
CACHE https://api.nuget.org/v3/registration5-gz-semver2/nuget.commandline/index.json
Currently running NuGet.exe 5.7.0.
NuGet.exe is up to date.
Update successful.
Download NuGet v5.7.0
https://dist.nuget.org/win-x86-commandline/v5.7.0/nuget.exe
Run nuget.exe update -self
NuGet version: 5.7.0.7 5.7.0+b804bf4ba62c0b47c77bbf3e22e196b57cd7a556.b804bf4ba62c0b47c77bbf3e22e196b57cd7a556
@zkat FYI as hotseat this week.
We are in the process of "blessing" 5.8.0. This should be resolved soon. 馃憤馃徎
This should be all set.