diff --git a/Gemfile b/Gemfile
index 134b17ec..51f2fa45 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,7 @@ source 'https://rubygems.org'
 gem 'typhoeus', '~>0.7.0'
 gem 'nokogiri'
 gem 'addressable'
-gem 'json'
+gem 'yajl-ruby' # Better JSON parser regarding memory usage
 gem 'terminal-table', '~>1.4.5'
 gem 'ruby-progressbar', '>=1.6.0'
 
diff --git a/lib/environment.rb b/lib/environment.rb
index 46270890..85ae571d 100644
--- a/lib/environment.rb
+++ b/lib/environment.rb
@@ -31,7 +31,7 @@ begin
   require 'pathname'
   # Third party libs
   require 'typhoeus'
-  require 'json'
+  require 'yajl/json_gem'
   require 'nokogiri'
   require 'terminal-table'
   require 'ruby-progressbar'