so updating to 4.0.1 could fix this https://github.com/drbrain/net-http-persistent/blob/75574f2546a08aa2663b06a2e005bcf2ee304f13/Rakefile#L16
- Bug#1029523: ruby-net-http-persistent want Ruby (~> 2.1... Pirate Praveen
- Bug#1029523: there is a new upstream major version tha... Pirate Praveen
