reactive_resource.gemspec in reactive_resource-0.6.1 vs reactive_resource.gemspec in reactive_resource-0.7.0

@@ -1,6 +1,7 @@
 # -*- encoding: utf-8 -*-
+rails_version = ENV.key?('RAILS_VERSION') ? "~> #{ENV['RAILS_VERSION']}" : '>= 3.1'
 $:.push File.expand_path("../lib", __FILE__)
 require "reactive_resource/version"
 
 Gem::Specification.new do |s|
   s.name        = "reactive_resource"
@@ -12,13 +13,14 @@
   s.summary     = %q{ActiveRecord-like associations for ActiveResource}
   s.description = %q{ActiveRecord-like associations for ActiveResource}
 
   s.rubyforge_project = "reactive_resource"
 
-  s.add_dependency "activeresource", '>= 2.3.10'
+  s.add_dependency "activeresource", rails_version
+  s.add_dependency "activesupport", rails_version
   s.add_development_dependency "shoulda", '~> 2.11.3'
   s.add_development_dependency "webmock", '~> 1.6.1'
-  
+
   s.files         = `git ls-files`.split("\n")
   s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
   s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
   s.require_paths = ["lib"]
 end