diff --git a/Gemfile.lock b/Gemfile.lock
index 85f38298b..ae8d685a2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -160,7 +160,7 @@ GEM
       zeitwerk
     i18n (1.14.6)
       concurrent-ruby (~> 1.0)
-    importmap-rails (2.0.3)
+    importmap-rails (2.1.0)
       actionpack (>= 6.0.0)
       activesupport (>= 6.0.0)
       railties (>= 6.0.0)
@@ -388,4 +388,4 @@ RUBY VERSION
    ruby 3.3.5p100
 
 BUNDLED WITH
-   2.5.23
+   2.5.21
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 6a5708320..c54063eef 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -1,5 +1,6 @@
 class ApplicationController < ActionController::Base
   include Authentication
 
+  stale_when_importmap_changes
   allow_browser versions: :modern
 end