gem install reel on Centos 7

[Jerry Geis <jerry.geis@xxxxxxxxx>]

Hi - I installed ruby for something...
The instructions said to also do the comand:

gem install reel
ERROR:  Error installing reel:
        timers requires Ruby version >= 2.2.1.
[root@devgeis ~]# ruby --version
ruby 2.0.0p648 (2015-12-16) [x86_64-linux]

Not sure what to do. Wait for Centos 8? Thoughts? Thanks,

Jerry
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