diff --git a/config/routes.rb b/config/routes.rb
index ddb4a5b9e..400fa88c5 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -3,6 +3,8 @@
 require 'sidekiq/web'
 require 'sidekiq-scheduler/web'
 
+Sidekiq::Web.set :session_secret, Rails.application.secrets[:secret_key_base]
+
 Rails.application.routes.draw do
   mount LetterOpenerWeb::Engine, at: 'letter_opener' if Rails.env.development?