diff --git a/roles/lmn_sssd/templates/sssd.conf.j2 b/roles/lmn_sssd/templates/sssd.conf.j2
index f059f14..58868ce 100644
--- a/roles/lmn_sssd/templates/sssd.conf.j2
+++ b/roles/lmn_sssd/templates/sssd.conf.j2
@@ -20,3 +20,6 @@ ignore_group_members = True
 {% if groups.localhome is defined and inventory_hostname in groups.localhome %}
 override_homedir = /home/%u
 {% endif %}
+{% if groups.teacherlaptop is defined and inventory_hostname in groups.teacherlaptop %}
+krb5_renewable_lifetime = 14d
+{% endif %}