The local podspec ios deploy version is set to 9.0 https://github.com/SwiftyJSON/SwiftyJSON/blob/58391413ad113d98ea7f434354dceb8cb751b54e/SwiftyJSON.podspec#L12 Where as the actual podspec in [Cocoapods set to 12.0](https://github.com/CocoaPods/Specs/commit/6ade12ca33eeef4acafb1e15881bfce8831bb80c)