Appraisals in sidekiq-throttler-0.4.0 vs Appraisals in sidekiq-throttler-0.4.1

@@ -1,7 +1,7 @@
 appraise 'sidekiq-2' do
   gem 'sidekiq', '2.17.7'
 end
 
-appraise 'sidekiq-head' do
+appraise 'sidekiq-master' do
   gem 'sidekiq', github: 'mperham/sidekiq'
 end