diff --git a/packages/core/tsup.config.ts b/packages/core/tsup.config.ts
index 6525647521c..1ff744633b0 100644
--- a/packages/core/tsup.config.ts
+++ b/packages/core/tsup.config.ts
@@ -6,6 +6,11 @@ export default defineConfig({
     sourcemap: true,
     clean: true,
     format: ["esm"], // Ensure you're targeting CommonJS
+    platform: "node",
+    target: "node18",
+    bundle: true,
+    splitting: true,  // Add this for better code splitting
+    dts: true,       // Generate declaration files
     external: [
         "dotenv", // Externalize dotenv to prevent bundling
         "fs", // Externalize fs to use Node.js built-in module