diff --git a/packages/frontend/vite.config.ts b/packages/frontend/vite.config.ts
index a90ee5526..7e21b3d85 100644
--- a/packages/frontend/vite.config.ts
+++ b/packages/frontend/vite.config.ts
@@ -86,6 +86,11 @@ export default defineConfig(({ command, mode }) => {
 			__VUE_PROD_DEVTOOLS__: false,
 		},
 
+		// https://vitejs.dev/guide/dep-pre-bundling.html#monorepos-and-linked-dependencies
+		optimizeDeps: {
+			include: ['misskey-js'],
+		},
+
 		build: {
 			target: [
 				'chrome108',
@@ -110,6 +115,11 @@ export default defineConfig(({ command, mode }) => {
 			emptyOutDir: false,
 			sourcemap: process.env.NODE_ENV === 'development',
 			reportCompressedSize: false,
+
+			// https://vitejs.dev/guide/dep-pre-bundling.html#monorepos-and-linked-dependencies
+			commonjsOptions: {
+				include: [/misskey-js/, /node_modules/],
+			},
 		},
 
 		test: {