diff --git a/guides/bug_report_templates/action_controller_master.rb b/guides/bug_report_templates/action_controller_master.rb
index a027d6b169..9faa2c5805 100644
--- a/guides/bug_report_templates/action_controller_master.rb
+++ b/guides/bug_report_templates/action_controller_master.rb
@@ -3,6 +3,7 @@ unless File.exist?('Gemfile')
     source 'https://rubygems.org'
     gem 'rails', github: 'rails/rails'
     gem 'arel', github: 'rails/arel'
+    gem 'rack', github: 'rack/rack'
   GEMFILE
 
   system 'bundle'
diff --git a/guides/bug_report_templates/active_record_master.rb b/guides/bug_report_templates/active_record_master.rb
index d95354e12d..b4b983f2e7 100644
--- a/guides/bug_report_templates/active_record_master.rb
+++ b/guides/bug_report_templates/active_record_master.rb
@@ -3,6 +3,7 @@ unless File.exist?('Gemfile')
     source 'https://rubygems.org'
     gem 'rails', github: 'rails/rails'
     gem 'arel', github: 'rails/arel'
+    gem 'rack', github: 'rack/rack'
     gem 'sqlite3'
   GEMFILE