1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/storage/data_stores/main/roommember.py b/synapse/storage/data_stores/main/roommember.py
index 93411407f0..0da099311c 100644
--- a/synapse/storage/data_stores/main/roommember.py
+++ b/synapse/storage/data_stores/main/roommember.py
@@ -164,7 +164,7 @@ class RoomMemberWorkerStore(EventsWorkerStore):
         hosts = frozenset(get_domain_from_id(user_id) for user_id in user_ids)
         return hosts
 
-    @cached(max_entries=100000, iterable=True)
+    @cached(max_entries=1000000, iterable=True)
     def get_users_in_room(self, room_id):
         logger.info("Traceback: %s", traceback.format_stack())
         return self.db.runInteraction(