diff --git a/packages/grpc-js/src/index.ts b/packages/grpc-js/src/index.ts
index e7961cda..6263a9cb 100644
--- a/packages/grpc-js/src/index.ts
+++ b/packages/grpc-js/src/index.ts
@@ -45,7 +45,7 @@ import {
   Serialize,
   ServiceDefinition,
 } from './make-client';
-import { Metadata } from './metadata';
+import { Metadata, MetadataValue } from './metadata';
 import {
   Server,
   UntypedHandleCall,
@@ -188,7 +188,7 @@ export const credentials = mixin(
 
 /**** Metadata ****/
 
-export { Metadata };
+export { Metadata, MetadataValue };
 
 /**** Constants ****/