1 files changed, 1 insertions, 0 deletions

diff --git a/synapse/api/events/__init__.py b/synapse/api/events/__init__.py

index e5980c4be3..8d65c29ac1 100644
--- a/synapse/api/events/__init__.py
+++ b/synapse/api/events/__init__.py
@@ -75,6 +75,7 @@ class SynapseEvent(JsonEncodedObject):
         "signatures",
         "prev_state",
         "auth_events",
+        "state_hash",
     ]
 
     required_keys = [