diff --git a/actionpack/Rakefile b/actionpack/Rakefile
index ce4c41aaaafa3..55ac60295c827 100644
--- a/actionpack/Rakefile
+++ b/actionpack/Rakefile
@@ -79,7 +79,7 @@ spec = Gem::Specification.new do |s|
   s.requirements << 'none'
 
   s.add_dependency('activesupport', '= 2.3.14' + PKG_BUILD)
-  s.add_dependency('rack', '~> 1.1.0')
+  s.add_dependency('rack', '~> 1.1.3')
 
   s.require_path = 'lib'
 
diff --git a/actionpack/lib/action_controller.rb b/actionpack/lib/action_controller.rb
index 262faea64c70d..111ca969ead7d 100644
--- a/actionpack/lib/action_controller.rb
+++ b/actionpack/lib/action_controller.rb
@@ -31,7 +31,7 @@
   end
 end
 
-gem 'rack', '~> 1.1.0'
+gem 'rack', '~> 1.1.3'
 require 'rack'
 require 'action_controller/cgi_ext'