Cocoapods version issue

.swift

/*
*
* If you're having version problems with cocoapods
*
* Run this command to see all your cocoapods installed versions
*
*/

gem list --local | grep cocoapods

/*
*
* Afterwards you can uninstall a specific version by running
* the following command
*
*/

gem uninstall cocoapods -v "your-version (e.g. 1.6.1)"

/*
* If it doesn't help see this
*
*/

https://stackoverflow.com/questions/25016382/cocoa-pods-need-to-completely-re-install/25021772#25021772