diff --git a/ansible/roles/openldap_server/tasks/acls.yaml b/ansible/roles/openldap_server/tasks/acls.yaml
index 985e3ad..38447e1 100644
--- a/ansible/roles/openldap_server/tasks/acls.yaml
+++ b/ansible/roles/openldap_server/tasks/acls.yaml
@@ -17,7 +17,7 @@
           by anonymous read
           by * none
         - >-
-          to attrs=cn,description,member,uniqueMember,memberUid
+          to attrs=cn,description,member,uniqueMember,memberUid,gidNumber
           by * read
           by * none
         - >-