diff --git a/src/index.js b/src/index.js
index 03f8c40..a2fa481 100644
--- a/src/index.js
+++ b/src/index.js
@@ -10,6 +10,7 @@ import Packet from "./packet.js";
 import BufferUtils from "./buffer_utils.js";
 import CayenneLpp from "./cayenne_lpp.js";
 import MeshCorePath from "./meshore_path.js";
+import TransportKeyUtil from "./transport_key_util.js";
 
 export {
     Connection,
@@ -24,4 +25,5 @@ export {
     BufferUtils,
     CayenneLpp,
     MeshCorePath,
+    TransportKeyUtil,
 };