Uninstall capistrano and install particular version in ruby-1.8.7

Question

I am working application of ruby-1.8.7 for client.

I got error when tried to deploy on staging using cap staging deploy command.

Right now, installed capistrano-3.2.1 version. Now, i want to remove it and install capistrano-2.5.19 version.

How to change version of capistrano or uninstall it and install new.

How to install capistrano for ruby-1.8.7 compatible verions.

I got every time ERROR: error installing capistrano. highline required ruby version >= 1.9.3

Thanks

/.rvm/gems/ruby-1.8.7-p374/gems/capistrano-3.2.1

Answer 1

$ gem uninstall capistrano

Select gem to uninstall:
 1. capistrano-2.12.0
 2. capistrano-3.5.0
 3. All versions
> 2
Successfully uninstalled capistrano-3.5.0