Ripple on Rails 3.1

gistfile1.txt

Install Ripple:

gem install ripple

Gemfile: 

gem "curb"
gem "yajl-ruby"
gem "riak-client", :require => "riak"
gem "ripple"

bundle install response:

Fetching source index for http://rubygems.org/
Bundler could not find compatible versions for gem "builder":
  In Gemfile:
    riak-client depends on
      builder (~> 2.1.2)

    rails (= 3.1.0.rc6) depends on
      builder (3.0.0)

Bundler could not find compatible versions for gem "i18n":
  In Gemfile:
    riak-client depends on
      i18n (~> 0.4.0)

    rails (= 3.1.0.rc6) depends on
      i18n (0.6.0)

Bundler could not find compatible versions for gem "riak-client":
  In Gemfile:
    ripple depends on
      riak-client (= 0.8.0)

    riak-client (0.7.0)

Bundler could not find compatible versions for gem "activemodel":
  In Gemfile:
    ripple depends on
      activemodel (= 3.0.0.beta)

    rails (= 3.1.0.rc6) depends on
      activemodel (3.1.0.rc6)