diff --git a/roles/matrix/templates/homeserver.yaml.j2 b/roles/matrix/templates/homeserver.yaml.j2
index 294fb649dcda4731b693770ef42777a7e95647fa..8f4c518d340262dc0ba1b872f7fb3bc145a71baa 100644
--- a/roles/matrix/templates/homeserver.yaml.j2
+++ b/roles/matrix/templates/homeserver.yaml.j2
@@ -715,7 +715,7 @@ caches:
   #
   per_cache_factors:
     #get_users_who_share_room_with_user: 2.0
-    get_users_in_room: 2.0
+    get_users_in_room: 5.0
 
   # Controls how long an entry can be in a cache without having been
   # accessed before being evicted. Defaults to None, which means