diff --git a/apps/server/tsdown.config.ts b/apps/server/tsdown.config.ts
index b7506f6a0be0aabb41bbdf854095d03038855a8e..ffd0a1ed623af61c688038bd6471e4f6ce41d8f7 100644
--- a/apps/server/tsdown.config.ts
+++ b/apps/server/tsdown.config.ts
@@ -6,7 +6,7 @@ export default defineConfig({
   outDir: "dist",
   sourcemap: true,
   clean: true,
-  noExternal: ["@t3tools/contracts"],
+  noExternal: ["@t3tools/contracts", "zod"],
   banner: {
     js: "#!/usr/bin/env node\n",
   },