diff --git a/temp_file/Gemfile b/temp_file/Gemfile
index 81081f0..795043e 100644
--- a/temp_file/Gemfile
+++ b/temp_file/Gemfile
@@ -6,6 +6,7 @@ if $0.to_s.scan('bundle').length==0
     system("bundle install") if !flag
   }
 end
+gem 'public_suffix','~>3.1.1'
 #social gems
 gem 'phantomjs','~>2.1.1.0'
 gem "omniauth-google-oauth2"