Invalid RIBs.podspec file

[AMORFATI-TRL]

Can't install the latest version (0.9.3) through pod install

Even after specifying the podspec directly like below
pod 'RIBs', :podspec => 'https://github.com/uber/RIBs/blob/master/RIBs.podspec'
I still get

[!] Failed to load 'RIBs' podspec:
[!] Invalid RIBs.podspec file: syntax error, unexpected '<'

syntax error, unexpected '<'

I'm pointing to the git directly for now but would be nice if somebody can address the issue