diff --git a/Gemfile.1.8.7 b/Gemfile.1.8.7
index 704034b8a..216787ceb 100644
--- a/Gemfile.1.8.7
+++ b/Gemfile.1.8.7
@@ -1,6 +1,7 @@
 source "https://rubygems.org"
 
 gem 'nokogiri', '~>1.5.0'
+gem 'mime-types', '~>1.16'
 
 group :development, :test do
   # This is here because gemspec doesn't support require: false