diff --git a/salt-pillar/dhcp/init.sls b/salt-pillar/dhcp/init.sls
index 7ff906a..c5f6743 100644
--- a/salt-pillar/dhcp/init.sls
+++ b/salt-pillar/dhcp/init.sls
@@ -16,6 +16,7 @@ dhcp:
     end: 172.20.77.254
     time: 30
     max-time: 3600
+    lower-max-time: 50
     opts:
     host-opts:
       routers: pub-gw.pub
diff --git a/salt/dhcp/dhcpd.conf b/salt/dhcp/dhcpd.conf
index e594b79..153468a 100644
--- a/salt/dhcp/dhcpd.conf
+++ b/salt/dhcp/dhcpd.conf
@@ -8,6 +8,10 @@ subnet {{ subnet.split('/')[0] }} netmask {{ netmasks[subnet.split('/')[1]] }} {
     authoritative;
     default-lease-time {{ conf['time'] }};
     max-lease-time {{ conf['max-time'] }};
+    {%- if conf.get('lower-max-time') and conf.get('time') %}
+    min-lease-time {{ conf['time'] }};
+    adaptive-lease-time-threshold {{ conf['lower-max-time'] }};
+    {%- endif %}
     range {{ conf['start'] }} {{ conf['end'] }};
 {%-     for name, value in (conf.get('opts') or {}).items() %}
     option {{ name }} {{ value }};