diff --git a/packages/proto/src/index.d.ts b/packages/proto/src/index.d.ts
index a2a21b78d..17f2c927a 100644
--- a/packages/proto/src/index.d.ts
+++ b/packages/proto/src/index.d.ts
@@ -1,5 +1,9 @@
+import * as $protobuf from "@hashgraph/protobufjs/minimal.js";
 import { proto } from "./proto.js";
 
+// re-export protobuf reader for usage by @hashgraph/sdk
+import Reader = $protobuf.Reader;
+
 import ConsensusService = proto.ConsensusService;
 import CryptoService = proto.CryptoService;
 import FileService = proto.FileService;
@@ -10,6 +14,7 @@ import SmartContractService = proto.SmartContractService;
 import TokenService = proto.TokenService;
 
 export {
+    Reader,
     ConsensusService,
     CryptoService,
     FileService,
diff --git a/packages/proto/src/index.js b/packages/proto/src/index.js
index f0ec4d639..1bf132a60 100644
--- a/packages/proto/src/index.js
+++ b/packages/proto/src/index.js
@@ -1,5 +1,9 @@
+import * as $protobuf from "@hashgraph/protobufjs/minimal.js";
 import { proto } from "./proto.js";
 
+// re-export protobuf reader for usage by @hashgraph/sdk
+export const Reader = $protobuf.Reader;
+
 export const ConsensusService = proto.ConsensusService;
 export const CryptoService = proto.CryptoService;
 export const FileService = proto.FileService;