YubiKit 4.5.0 not available via CocoaPods

[Chralu]

Running "pod install" or "pod update" with the project podfile containing pod 'YubiKit', '4.5.0' gives this error:

[!] CocoaPods could not find compatible versions for pod "YubiKit":
  In Podfile:
    YubiKit (= 4.5.0)

None of your spec sources contain a spec satisfying the dependency: `YubiKit (= 4.3.0)`.

Searching for "YubiKit" on https://cocoapods.org/ shows the latest version as 4.4.0.

The podspec for 4.5.0 will need to be submitted to CocoaPods.org
See "How do I update an existing Pod?" in https://guides.cocoapods.org/making/specs-and-specs-repo.html

The version 4.5.0 ReadMe file implies it will be available.

Add YubiKit to your Podfile

use_frameworks!
pod  'YubiKit', '~> 4.5.0'