diff --git a/config/environments/production.rb b/config/environments/production.rb
index 489dedbc..0a537d3a 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -23,6 +23,7 @@
   # Disable serving static files from the `/public` folder by default since
   # Apache or NGINX already handles this.
   config.public_file_server.enabled = ENV['RAILS_SERVE_STATIC_FILES'].present?
+  config.public_file_server.headers = { 'Cache-Control' => "public, max-age=#{1.day.to_i}" }
 
   # Compress JavaScripts and CSS.
   config.assets.js_compressor = :uglifier