diff --git a/Gemfile b/Gemfile
index c1f4c3d..94c4aab 100644
--- a/Gemfile
+++ b/Gemfile
@@ -15,6 +15,9 @@ gem 'rails',             '~> 6.1'
 gem 'redis-rails',       '~> 5.0'
 gem 'responders',        '~> 3.0'
 gem 'sidekiq',           '~> 6.1'
+# gem 'sidekiq-cron', '~> 1.2'
+# gem 'sidekiq-scheduler', '~> 3.1'
+# gem 'sidekiq-unique-jobs', '~> 7.1', '>= 7.1.8'
 gem 'simple_form',       '~> 5.0'
 gem 'validates_email_format_of', '~> 1.6'
 gem 'webpacker', '~> 5.2'