diff --git a/async_substrate_interface/errors.py b/async_substrate_interface/errors.py
index 7f619ad..9de753b 100644
--- a/async_substrate_interface/errors.py
+++ b/async_substrate_interface/errors.py
@@ -1,3 +1,9 @@
+from websockets.exceptions import ConnectionClosed, InvalidHandshake
+
+ConnectionClosed = ConnectionClosed
+InvalidHandshake = InvalidHandshake
+
+
 class SubstrateRequestException(Exception):
     pass