diff --git a/tsdown.config.ts b/tsdown.config.ts
index fdc5d57..5a2918c 100644
--- a/tsdown.config.ts
+++ b/tsdown.config.ts
@@ -1,7 +1,13 @@
 import { defineConfig } from 'tsdown'
 
 export default defineConfig({
-  entry: ['./src/**/*.ts'],
+  entry: [
+    './src/index.ts',
+    './src/serve-static.ts',
+    './src/vercel.ts',
+    './src/conninfo.ts',
+    './src/utils/*.ts',
+  ],
   format: ['esm', 'cjs'],
   dts: true,
   sourcemap: false,