diff --git a/vite.config.ts b/vite.config.ts
index 0744193a..dea0e504 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -13,12 +13,13 @@ export default defineConfig({
     rollupOptions: {
       // make sure to externalize deps that shouldn't be bundled
       // into your library
-      external: ['vue'],
+      external: ['vue', 'vue-demi'],
       output: {
         // Provide global variables to use in the UMD build
         // for externalized deps
         globals: {
-          vue: 'Vue'
+          vue: 'Vue',
+          'vue-demi': 'vue-demi'
         },
         dir: 'dist',
         sourcemap: true,