diff --git a/app/controllers/public/collections_controller.rb b/app/controllers/public/collections_controller.rb
index 2847773db..f19273959 100644
--- a/app/controllers/public/collections_controller.rb
+++ b/app/controllers/public/collections_controller.rb
@@ -9,5 +9,8 @@ class Public::CollectionsController < ApplicationController
     @considering = current_page_from @collection.cards.considering.latest, per_page: CardsController::PAGE_SIZE
     @doing = current_page_from @collection.cards.doing.latest, per_page: CardsController::PAGE_SIZE
     @closed = current_page_from @collection.cards.closed.recently_closed_first, per_page: CardsController::PAGE_SIZE
+
+    # To enable caching at intermediate proxies during traffic spikes
+    expires_in 5.seconds, public: true
   end
 end