diff --git a/Gemfile b/Gemfile
index 05edb8eca..0abe080cb 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@ source 'http://rubygems.org'
 
 gem 'rails', '3.0.11'
 
-gem 'bundler', '>= 1.0.0'
+gem 'bundler', '~> 1.1.1'
 gem 'foreman', '0.34.1'
 gem 'whenever'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 4411c3e13..cf40ac829 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -454,7 +454,7 @@ DEPENDENCIES
   acts_as_api
   addressable (= 2.2.4)
   airbrake
-  bundler (>= 1.0.0)
+  bundler (~> 1.1.1)
   capistrano (~> 2.9.0)
   capistrano-ext (= 1.2.1)
   capistrano_colors