diff --git a/Gemfile.rails-4.2 b/Gemfile.rails-4.2
index 0fdb0554..3b00c303 100644
--- a/Gemfile.rails-4.2
+++ b/Gemfile.rails-4.2
@@ -8,6 +8,8 @@ gem 'activerecord-jdbcsqlite3-adapter', platforms: [:jruby]
 gem 'activerecord-import'
 gem 'tins', '~> 1.6.0', platforms: [:ruby_19]
 
+gem 'bigdecimal', '~> 1.4'
+
 gem "rspec"
 
 platforms :rbx do