1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/event_auth.py b/synapse/event_auth.py
index 3fe344ac93..5ecf493f98 100644
--- a/synapse/event_auth.py
+++ b/synapse/event_auth.py
@@ -32,6 +32,7 @@ from typing import (
     Mapping,
     MutableMapping,
     Optional,
+    Protocol,
     Set,
     Tuple,
     Union,
@@ -41,7 +42,6 @@ from typing import (
 from canonicaljson import encode_canonical_json
 from signedjson.key import decode_verify_key_bytes
 from signedjson.sign import SignatureVerifyException, verify_signed_json
-from typing_extensions import Protocol
 from unpaddedbase64 import decode_base64
 
 from synapse.api.constants import (