diff --git a/qse/include/qse/dhcp/dhcp6msg.h b/qse/include/qse/dhcp/dhcp6msg.h
index 2c03a561..7239422e 100644
--- a/qse/include/qse/dhcp/dhcp6msg.h
+++ b/qse/include/qse/dhcp/dhcp6msg.h
@@ -28,8 +28,20 @@ typedef enum qse_dhcp6_msg_t qse_dhcp6_msg_t;
 
 enum qse_dhcp6_opt_t
 {
+	QSE_DHCP6_OPT_CLIENTID = 1,
+	QSE_DHCP6_OPT_SERVERID = 2,
+	QSE_DHCP6_OPT_IA_NA = 3,
+	QSE_DHCP6_OPT_IA_TA = 4,
+	QSE_DHCP6_OPT_IAADDR = 5,
+	QSE_DHCP6_OPT_PREFERENCE = 7,
+	QSE_DHCP6_OPT_ELAPSED_TIME = 8,
 	QSE_DHCP6_OPT_RELAY_MESSAGE = 9,
-	QSE_DHCP6_OPT_INTERFACE_ID = 18
+	QSE_DHCP6_OPT_RAPID_COMMIT = 14,
+	QSE_DHCP6_OPT_USER_CLASS = 15,
+	QSE_DHCP6_OPT_VENDOR_CLASS = 16,
+	QSE_DHCP6_OPT_INTERFACE_ID = 18,
+	QSE_DHCP6_OPT_IA_PD = 25,
+	QSE_DHCP6_OPT_IAPREFIX = 26
 };
 typedef enum qse_dhcp6_opt_t qse_dhcp6_opt_t;