diff --git a/update.sh b/update.sh
new file mode 100755
index 0000000..17bac5c
--- /dev/null
+++ b/update.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+doas mv /etc/dhcpd.conf /etc/dhcpd.conf.old
+doas sh -c './netbox-dhcp.sh > /etc/dhcpd.conf'
+diff -u /etc/dhcpd.conf.old /etc/dhcpd.conf
+doas rcctl restart dhcpd
+doas ./netbox-dns.sh
+doas rcctl restart unbound