diff --git a/packages/design-system/vite.config.ts b/packages/design-system/vite.config.mts
similarity index 100%
rename from packages/design-system/vite.config.ts
rename to packages/design-system/vite.config.mts
diff --git a/packages/editor-ui/vite.config.mts b/packages/editor-ui/vite.config.mts
index c4f2a8d218..61a8943043 100644
--- a/packages/editor-ui/vite.config.mts
+++ b/packages/editor-ui/vite.config.mts
@@ -4,7 +4,7 @@ import { defineConfig, mergeConfig } from 'vite';
 import { sentryVitePlugin } from '@sentry/vite-plugin';
 
 import packageJSON from './package.json';
-import { vitestConfig } from '../design-system/vite.config';
+import { vitestConfig } from '../design-system/vite.config.mts';
 
 const vendorChunks = ['vue', 'vue-router'];
 const n8nChunks = ['n8n-workflow', 'n8n-design-system'];