diff --git a/config/application.rb b/config/application.rb
index c5cd15c5..c23b78ca 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -72,5 +72,6 @@ class Application < Rails::Application
     end
 
     config.api_only = true
+    config.active_storage.service_urls_expire_in = 30.minutes
   end
 end
diff --git a/config/sidekiq.yml b/config/sidekiq.yml
index ea2393d2..4638da71 100644
--- a/config/sidekiq.yml
+++ b/config/sidekiq.yml
@@ -8,6 +8,6 @@
   - mqtt_forward
 
 production:
-  :concurrency: 25
+  :concurrency: 20
 staging:
   :concurrency: 15