diff --git a/configs/imx23evk_defconfig b/configs/imx23evk_defconfig
index 94d159cf9e..b54af418eb 100644
--- a/configs/imx23evk_defconfig
+++ b/configs/imx23evk_defconfig
@@ -2,8 +2,8 @@
 BR2_arm=y
 BR2_arm926t=y
 
-# Linux headers same as kernel, a 4.8 series
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_8=y
+# Linux headers same as kernel, a 6.6 series
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_6=y
 
 # system
 BR2_TARGET_GENERIC_GETTY_PORT="ttyAMA0"
@@ -11,16 +11,16 @@ BR2_TARGET_GENERIC_GETTY_PORT="ttyAMA0"
 # kernel
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.8.6"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.6.21"
 BR2_LINUX_KERNEL_DEFCONFIG="mxs"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
-BR2_LINUX_KERNEL_INTREE_DTS_NAME="imx23-evk"
+BR2_LINUX_KERNEL_INTREE_DTS_NAME="nxp/mxs/imx23-evk"
 
 # bootloader
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BOARDNAME="mx23evk"
 BR2_TARGET_UBOOT_CUSTOM_VERSION=y
-BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2021.10"
+BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2024.01"
 BR2_TARGET_UBOOT_FORMAT_SD=y
 
 # Filesystem