diff --git a/Gemfile b/Gemfile
index 3217a1a97..61e62db70 100644
--- a/Gemfile
+++ b/Gemfile
@@ -29,7 +29,7 @@ else
 end
 
 group :test do
-  gem "factory_girl"
+  gem "factory_girl", '4.1.0'
   gem "rspec", "2.10.0"
   gem 'spork', '0.9.0'
   gem 'database_cleaner', '0.7.0'