1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/federation/transport/client.py b/synapse/federation/transport/client.py
index 206e91ed14..87d1799590 100644
--- a/synapse/federation/transport/client.py
+++ b/synapse/federation/transport/client.py
@@ -1098,7 +1098,7 @@ class _StateParser(ByteParser[StateRequestResponse]):
     CONTENT_TYPE = "application/json"
 
     # As with /send_join, /state responses can be huge.
-    MAX_RESPONSE_SIZE = 500 * 1024 * 1024
+    MAX_RESPONSE_SIZE = 600 * 1024 * 1024
 
     def __init__(self, room_version: RoomVersion):
         self._response = StateRequestResponse([], [])