ruby on rails - jquery version isn't updating -

why app keep telling me i'm using jquery 1.7.2 (i've restarted server)

 $(function(){     console.log($().jquery);  });

i using jquery-rails 2.0.2 , infact use 1.7.2 i've updated gem file , ran bundle install:

gem 'jquery-rails', '~> 2.3.0'

and still it's saying im on 1.7.2 when infact should 1.10 shown in link below:

my ide saying specified version of jquery-rails not available in sdk 'rvm: ruby-1.9.3-p374 [rails3]'

in app.js have:

//= require jquery //= require jquery_ujs

Detect