diff --git a/vite.config.js b/vite.config.js
index d64114d..d29e4c0 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -3,5 +3,14 @@
 import { defineConfig, loadEnv } from 'vite';
 
 export default defineConfig({
-	base: '/fourjs/'	
+	base: '/fourjs/',
+	build: {
+		rollupOptions: {
+			output: {
+				manualChunks: {
+					threejs: [ 'three' ]
+				}
+			}		
+		}
+	}	
 })