diff --git a/config/initializers/active_storage.rb b/config/initializers/active_storage.rb
new file mode 100644
index 000000000..f2d77e1de
--- /dev/null
+++ b/config/initializers/active_storage.rb
@@ -0,0 +1,5 @@
+ActiveSupport.on_load(:active_storage_blob) do
+  ActiveStorage::DiskController.after_action only: :show do
+    response.set_header("Cache-Control", "max-age=3600, public")
+  end
+end