diff --git a/packages/grpc-js/src/index.ts b/packages/grpc-js/src/index.ts
index 2e6fcb5b..b4855fb5 100644
--- a/packages/grpc-js/src/index.ts
+++ b/packages/grpc-js/src/index.ts
@@ -119,7 +119,7 @@ export const credentials = {
 
 /**** Metadata ****/
 
-export { Metadata, MetadataValue };
+export { Metadata, MetadataOptions, MetadataValue };
 
 /**** Constants ****/