diff --git a/files/app/app.ts b/files/app/app.ts
index c0871d2..5072518 100644
--- a/files/app/app.ts
+++ b/files/app/app.ts
@@ -6,6 +6,7 @@ import loadInitializers from 'ember-load-initializers';
 import config from '<%= modulePrefix %>/config/environment';
 import { importSync, isDevelopingApp, macroCondition } from '@embroider/macros';
 import setupInspector from '@embroider/legacy-inspector-support/ember-source-4.12';
+import './styles/app.css';
 
 if (macroCondition(isDevelopingApp())) {
   importSync('./deprecation-workflow');