None of your spec sources contain a spec satisfying the dependency: Himotoki (~> 3.1).

[ICCanche]

[!] Unable to satisfy the following requirements:

- `Himotoki (~> 3.1)` required by `Podfile`
- `Himotoki (~> 3.1)` required by `Podfile`
- `Himotoki (~> 3.1)` required by `Podfile`

None of your spec sources contain a spec satisfying the dependency: `Himotoki (~> 3.1)`.

You have either:
 * mistyped the name or version.
 * not added the source repo that hosts the Podspec to your Podfile.

Note: as of CocoaPods 1.0, `pod repo update` does not happen on `pod install` by default.

My Podfile

 platform :ios, '10.0'



abstract_target 'dependencies' do
  # Comment the next line if you're not using Swift and don't want to use dynamic frameworks
  use_frameworks!

  pod 'Moya/RxSwift'
  pod 'Himotoki', '~> 3.1'
  pod 'RxSwift', '~> 3.1'
  pod 'RxCocoa', '~> 3.1'
  pod 'SwiftDate', '~> 4.0'
  pod 'RealmSwift', '~> 2.8'
  pod 'RxDataSources', '~> 1.0'
  pod 'SVProgressHUD'
  pod 'Firebase/Core'
  pod 'Firebase/Messaging'

end

[ikesyo]

I'm sorry I forgot to push the version to CocoaPods trunk. Just pushed: https://cocoapods.org/pods/Himotoki