diff --git a/aws-sdk-rails.gemspec b/aws-sdk-rails.gemspec
index 338e4c28..7bb8d0a9 100644
--- a/aws-sdk-rails.gemspec
+++ b/aws-sdk-rails.gemspec
@@ -14,5 +14,5 @@ Gem::Specification.new do |spec|
   spec.files         += Dir['lib/**/*.rb', 'lib/aws-sdk-rails.rb']
 
   spec.add_dependency('aws-sdk-resources', '~> 2')
-  spec.add_dependency('rails', '>= 3')
+  spec.add_dependency('railties', '>= 3')
 end