diff --git a/Gemfile b/Gemfile
index b6acf69..c18c80a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,5 +4,5 @@ source 'https://rubygems.org'
 gemspec
 
 gem 'byebug'
-gem 'mime-types', '< 2.0', platform: :ruby_18
+gem 'mime-types', '<= 3.3.1', platform: :ruby_18
 gem 'rubyzip', '< 1.0', platform: :ruby_18