diff --git a/src/index.ts b/src/index.ts
index 61ee3ff..6b4dd15 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -95,4 +95,5 @@ export {
   HTTPTransport,
   EventEmitterTransport,
   WebSocketTransport,
+  JSONRPCError,
 };