use sidekiq

app/controllers/webhook_settings_controller.rb

@@ -17,7 +17,7 @@ class WebhookSettingsController < ApplicationController
   def update
     submitter = current_account.submitters.where.not(completed_at: nil).order(:id).last
 
-    SendFormCompletedWebhookRequestJob.perform_later({ 'submitter_id' => submitter.id })
+    SendFormCompletedWebhookRequestJob.perform_async({ 'submitter_id' => submitter.id })
 
     redirect_back(fallback_location: settings_webhooks_path, notice: 'Webhook request has been sent.')
   end