diff --git a/build.config.ts b/build.config.ts
index bc2925d..b89fdef 100644
--- a/build.config.ts
+++ b/build.config.ts
@@ -1,5 +1,11 @@
 import { defineBuildConfig } from "obuild/config";
 
 export default defineBuildConfig({
-  entries: ["src/index.ts"],
+  entries: [
+    {
+      type: "bundle",
+      input: "src/index.ts",
+      rolldown: { external: ["typescript"] },
+    },
+  ],
 });
diff --git a/src/tsconfig/types.ts b/src/tsconfig/types.ts
index 7457e4a..2ce561d 100644
--- a/src/tsconfig/types.ts
+++ b/src/tsconfig/types.ts
@@ -1,4 +1,4 @@
-import type { CompilerOptions, TypeAcquisition } from "typescript";
+import type * as ts from "typescript";
 
 export type StripEnums<T extends Record<string, any>> = {
   [K in keyof T]: T[K] extends boolean
@@ -15,12 +15,12 @@ export type StripEnums<T extends Record<string, any>> = {
 };
 
 export interface TSConfig {
-  compilerOptions?: StripEnums<CompilerOptions>;
+  compilerOptions?: StripEnums<ts.CompilerOptions>;
   exclude?: string[];
   compileOnSave?: boolean;
   extends?: string | string[];
   files?: string[];
   include?: string[];
-  typeAcquisition?: TypeAcquisition;
+  typeAcquisition?: ts.TypeAcquisition;
   references?: { path: string }[];
 }