diff --git a/Gemfile b/Gemfile
index 5b70f96..da7e859 100644
--- a/Gemfile
+++ b/Gemfile
@@ -86,7 +86,7 @@ end
 
 group :test do
   gem "shoulda", "~> 3.3.2"
-  gem "mocha", ">= 0.14", :require => 'mocha/api'
+  gem "mocha", "~> 1.0.0", :require => 'mocha/api'
   if RUBY_VERSION >= '1.9.3'
     gem "capybara", "~> 2.1.0"
     gem "selenium-webdriver"