guide to enhance ROR version
===

The following environment is:   

       RubyGems Environment:
          - RUBYGEMS VERSION: 1.3.7
          - RUBY VERSION: 1.8.7 (2009-06-08 patchlevel 173) [x86_64-linux]
          - INSTALLATION DIRECTORY: /home/something/ruby/gems
          - RUBY EXECUTABLE: /usr/bin/ruby
          - EXECUTABLE DIRECTORY: /home/something/ruby/gems/bin
          - RUBYGEMS PLATFORMS:
            - ruby
            - x86_64-linux
          - GEM PATHS:
             - /home/soemthing/ruby/gems
          - GEM CONFIGURATION:
             - :update_sources => true
             - :verbose => true
             - :benchmark => false
             - :backtrace => false
             - :bulk_threshold => 1000
             - "gempath" => ["/home/something/ruby/gems"]
             - "gem" => "--remote --gen-rdoc --run-tests"
             - :sources => ["http://rubygems.org/", "http://gems.github.com"]
             - "gemhome" => "/home/something/ruby/gems"
             - "rdoc" => "--inline-source --line-numbers"
          - REMOTE SOURCES:
             - http://rubygems.org/
             - http://gems.github.com  
**and SUBSTRUCT version:1.3.1**
 

I need to enhance this version to:  
RUBY:  1.9.3  
RAILS:  3.2.7  
Please guide about the effect I can have on the existing system
Thank you
