diff --git a/package/network/ipv6/odhcp6c/Makefile b/package/network/ipv6/odhcp6c/Makefile
index 863a2f66a944a8396567ec33895608694ef7866a..60602f5554717e743b3ee791d05fff4d0cdab9d9 100644
--- a/package/network/ipv6/odhcp6c/Makefile
+++ b/package/network/ipv6/odhcp6c/Makefile
@@ -12,9 +12,9 @@ PKG_RELEASE:=1
 
 PKG_SOURCE_URL:=git://git.lede-project.org/project/odhcp6c.git
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_DATE:=2017-01-02
-PKG_SOURCE_VERSION:=5d6fec3a5c2a1a3015a2f26aaa27e05315e188f3
-PKG_MIRROR_HASH:=2a645e264d93cca7545427818acc3781eeb2564c6c9d27a85085a9851c30bb5d
+PKG_SOURCE_DATE:=2017-01-07
+PKG_SOURCE_VERSION:=d420f49396c627ce1072b83170889baf0720bc8b
+PKG_MIRROR_HASH:=a7c599b5600b6cca9aec221dd32fc7754e0e942b0192bd902f1e789f53345127
 PKG_MAINTAINER:=Steven Barth <steven@midlink.org>
 PKG_LICENSE:=GPL-2.0
 
diff --git a/package/network/ipv6/odhcp6c/files/dhcpv6.sh b/package/network/ipv6/odhcp6c/files/dhcpv6.sh
index 6c47399916a35e91304a3c35295841cac8447df7..9e3f6697335a55cf4be1751fec907a4ac93f09ec 100755
--- a/package/network/ipv6/odhcp6c/files/dhcpv6.sh
+++ b/package/network/ipv6/odhcp6c/files/dhcpv6.sh
@@ -30,14 +30,15 @@ proto_dhcpv6_init_config() {
 	proto_config_add_int "soltimeout"
 	proto_config_add_boolean fakeroutes
 	proto_config_add_boolean sourcefilter
+	proto_config_add_boolean keep_ra_dnslifetime
 }
 
 proto_dhcpv6_setup() {
 	local config="$1"
 	local iface="$2"
 
-	local reqaddress reqprefix clientid reqopts noslaaconly forceprefix extendprefix norelease ip6prefix iface_dslite iface_map iface_464xlat ifaceid userclass vendorclass delegate zone_dslite zone_map zone_464xlat zone soltimeout fakeroutes sourcefilter
-	json_get_vars reqaddress reqprefix clientid reqopts noslaaconly forceprefix extendprefix norelease ip6prefix iface_dslite iface_map iface_464xlat ifaceid userclass vendorclass delegate zone_dslite zone_map zone_464xlat zone soltimeout fakeroutes sourcefilter
+	local reqaddress reqprefix clientid reqopts noslaaconly forceprefix extendprefix norelease ip6prefix iface_dslite iface_map iface_464xlat ifaceid userclass vendorclass delegate zone_dslite zone_map zone_464xlat zone soltimeout fakeroutes sourcefilter keep_ra_dnslifetime
+	json_get_vars reqaddress reqprefix clientid reqopts noslaaconly forceprefix extendprefix norelease ip6prefix iface_dslite iface_map iface_464xlat ifaceid userclass vendorclass delegate zone_dslite zone_map zone_464xlat zone soltimeout fakeroutes sourcefilter keep_ra_dnslifetime
 
 
 	# Configure
@@ -61,6 +62,8 @@ proto_dhcpv6_setup() {
 
 	[ -n "$userclass" ] && append opts "-u$userclass"
 
+	[ "$keep_ra_dnslifetime" = "1" ] && append opts "-L"
+
 	for opt in $reqopts; do
 		append opts "-r$opt"
 	done