Gemfile in rack-gist-1.0.6 vs Gemfile in rack-gist-1.0.7

@@ -1,13 +1,13 @@
 source 'http://rubygems.org'
 
-gem 'hpricot', '>= 0.8.2'
-gem 'rest-client', '>= 1.6.0'
+gem 'nokogiri', '~> 1.4.3.1'
+gem 'rest-client', '~> 1.6.0'
 
 group :development do
-  gem 'fakeweb', '>= 1.2.8'
-  gem 'rspec', '>= 1.3.0'
-  gem 'yard', '>= 0.5.8'
-  gem 'rack', '>= 1.2.1'
-  gem 'activesupport', '>= 2.3.8'
+  gem 'fakeweb', '~> 1.2.8'
+  gem 'rspec', '~> 1.3.0'
+  gem 'yard', '~> 0.5.8'
+  gem 'rack', '~> 1.2.1'
+  gem 'activesupport', '~> 2.3.8'
   gem 'ruby-debug'
 end
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