diff --git a/Gemfile b/Gemfile
index f5c5665..161e227 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,6 +2,7 @@ source "https://rubygems.org"
 
 gemspec
 
+gem 'mime-types', '~> 2.99' if RUBY_VERSION < '2.0'
 # gem "eventmachine", path: "#{ENV["HOME"]}/Projects/eventmachine"
 
 #group :development do