diff --git a/src/index.ts b/src/index.ts
index 10e280fa..adad99bc 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -4,6 +4,7 @@ export {
   ChatOptions,
   MLCEngineConfig,
   GenerationConfig,
+  ModelType,
   prebuiltAppConfig,
   modelVersion,
   modelLibURLPrefix,