diff --git a/app/controllers/onboardings_controller.rb b/app/controllers/onboardings_controller.rb
index 0cce6e8a3..2bc9cb08e 100644
--- a/app/controllers/onboardings_controller.rb
+++ b/app/controllers/onboardings_controller.rb
@@ -1,5 +1,8 @@
 class OnboardingsController < ApplicationController
   before_action :authenticate_user!
+  before_action :set_cache_control_headers, only: %i[show]
 
-  def show; end
+  def show
+    set_surrogate_key_header "onboarding-slideshow"
+  end
 end
diff --git a/config/initializers/initialization_cachebust.rb b/config/initializers/initialization_cachebust.rb
index 1dc0cc18c..0a149e286 100644
--- a/config/initializers/initialization_cachebust.rb
+++ b/config/initializers/initialization_cachebust.rb
@@ -2,3 +2,4 @@
 CacheBuster.bust("/shell_top")
 CacheBuster.bust("/shell_bottom")
 CacheBuster.bust("/async_info/shell_version")
+CacheBuster.bust("/onboarding")