diff --git a/Gemfile b/Gemfile
index 075cd1d96..7392065e3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ gem 'activerecord', rails_version
 gem 'actionpack',   rails_version
 
 gem 'rspec', '~> 2.6.0'
-gem 'mocha', '~> 0.9.8'
+gem 'mocha', '~> 2.1.0'
 
 gem 'sqlite3', '~> 1.3.6'
 gem 'sequel', '~> 3.8'