diff --git a/config/boards/cm3588-nas.csc b/config/boards/cm3588-nas.csc
index 2e8988324f..53bde965e9 100644
--- a/config/boards/cm3588-nas.csc
+++ b/config/boards/cm3588-nas.csc
@@ -45,8 +45,8 @@ function post_family_config__cm3588_nas_use_mainline_uboot() {
 
 	declare -g BOOTDELAY=1
 	declare -g BOOTSOURCE="https://github.com/u-boot/u-boot.git"
-	declare -g BOOTBRANCH="tag:v2026.01"
-	declare -g BOOTPATCHDIR="v2026.01"
+	declare -g BOOTBRANCH="tag:v2026.04"
+	declare -g BOOTPATCHDIR="v2026.04"
 	declare -g BOOTDIR="u-boot-${BOARD}"
 	declare -g UBOOT_TARGET_MAP="BL31=bl31.elf ROCKCHIP_TPL=${RKBIN_DIR}/${DDR_BLOB};;u-boot-rockchip.bin"
 	unset uboot_custom_postprocess write_uboot_platform write_uboot_platform_mtd # Disable stuff from rockchip64_common; we're using binman here which does all the work
@@ -107,6 +107,10 @@ function post_config_uboot_target__extra_configs_for_cm3588-nas_uboot() {
 	run_host_command_logged scripts/config --enable CONFIG_PROT_TCP
 	run_host_command_logged scripts/config --enable CONFIG_PROT_TCP_SACK
 
+	display_alert "u-boot for ${BOARD}/${BRANCH}" "u-boot: enable LWIP (new networking stack)" "info"
+	run_host_command_logged scripts/config --enable CONFIG_CMD_MII
+	run_host_command_logged scripts/config --enable CONFIG_NET_LWIP
+
 	# UMS, RockUSB, gadget stuff
 	display_alert "u-boot for ${BOARD}/${BRANCH}" "u-boot: enable UMS/RockUSB gadget" "info"
 	declare -a enable_configs=("CONFIG_CMD_USB_MASS_STORAGE" "CONFIG_USB_GADGET" "USB_GADGET_DOWNLOAD" "CONFIG_USB_FUNCTION_ROCKUSB" "CONFIG_USB_FUNCTION_ACM" "CONFIG_CMD_ROCKUSB" "CONFIG_CMD_USB_MASS_STORAGE")