diff --git a/models.yml b/models.yml
index 15b4d531..affcbed2 100644
--- a/models.yml
+++ b/models.yml
@@ -1841,6 +1841,10 @@ meeting:
     type: relation
     to: group/admin_group_for_meeting_id
     restriction_mode: B
+  anonymous_group_id:
+    type: relation
+    to: group/anonymous_group_for_meeting_id
+    restriction_mode: B
 
 structure_level:
   id:
@@ -1950,6 +1954,11 @@ group:
     to: meeting/admin_group_id
     on_delete: PROTECT
     restriction_mode: A
+  anonymous_group_for_meeting_id:
+    type: relation
+    to: meeting/anonymous_group_id
+    on_delete: PROTECT
+    restriction_mode: A
   mediafile_access_group_ids:
     type: relation-list
     to: mediafile/access_group_ids