diff --git a/lib/environment.rb b/lib/environment.rb
index 69e4aa82..432ce7a6 100644
--- a/lib/environment.rb
+++ b/lib/environment.rb
@@ -31,6 +31,7 @@ begin
   require 'rbconfig'
   require 'pp'
   # Third party libs
+  gem 'typhoeus', '=0.4.2'
   require 'typhoeus'
   require 'json'
   require 'nokogiri'