diff --git a/test/rails/dummy/app/javascript/entrypoints/application.js b/test/rails/dummy/app/javascript/entrypoints/application.js
index 3c1eef0..3e45e5f 100644
--- a/test/rails/dummy/app/javascript/entrypoints/application.js
+++ b/test/rails/dummy/app/javascript/entrypoints/application.js
@@ -14,6 +14,8 @@ import "../stylesheets/application.css"
   }
 })()
 
+ActiveStorage.start()
+
 Rails.start({
   plugins: [
     JsErb(),