diff --git a/configs/mx6cubox_defconfig b/configs/mx6cubox_defconfig
index cbd9378064..46a1400d9f 100644
--- a/configs/mx6cubox_defconfig
+++ b/configs/mx6cubox_defconfig
@@ -6,8 +6,8 @@ BR2_ARM_ENABLE_VFP=y
 BR2_ARM_FPU_VFPV3=y
 
 # Toolchain
-# Linux headers same as kernel, a 5.15 series
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_15=y
+# Linux headers same as kernel, a 6.6 series
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_6=y
 
 # System configuration
 BR2_TARGET_GENERIC_GETTY_PORT="ttymxc0"
@@ -17,10 +17,10 @@ BR2_ROOTFS_POST_IMAGE_SCRIPT="board/freescale/common/imx/post-image.sh"
 # Kernel
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.15.71"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.6.27"
 BR2_LINUX_KERNEL_DEFCONFIG="imx_v6_v7"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
-BR2_LINUX_KERNEL_INTREE_DTS_NAME="imx6dl-cubox-i imx6dl-cubox-i-emmc-som-v15 imx6dl-cubox-i-som-v15 imx6dl-hummingboard imx6dl-hummingboard-emmc-som-v15 imx6dl-hummingboard-som-v15 imx6q-cubox-i imx6q-cubox-i-emmc-som-v15 imx6q-cubox-i-som-v15 imx6q-hummingboard imx6q-hummingboard-emmc-som-v15 imx6q-hummingboard-som-v15"
+BR2_LINUX_KERNEL_INTREE_DTS_NAME="nxp/imx/imx6dl-cubox-i nxp/imx/imx6dl-cubox-i-emmc-som-v15 nxp/imx/imx6dl-cubox-i-som-v15 nxp/imx/imx6dl-hummingboard nxp/imx/imx6dl-hummingboard-emmc-som-v15 nxp/imx/imx6dl-hummingboard-som-v15 nxp/imx/imx6q-cubox-i nxp/imx/imx6q-cubox-i-emmc-som-v15 nxp/imx/imx6q-cubox-i-som-v15 nxp/imx/imx6q-hummingboard nxp/imx/imx6q-hummingboard-emmc-som-v15 nxp/imx/imx6q-hummingboard-som-v15"
 BR2_LINUX_KERNEL_INSTALL_TARGET=y
 BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
 
@@ -32,7 +32,7 @@ BR2_TARGET_ROOTFS_EXT2_4=y
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
 BR2_TARGET_UBOOT_CUSTOM_VERSION=y
-BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2022.10"
+BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2024.04"
 BR2_TARGET_UBOOT_BOARD_DEFCONFIG="mx6cuboxi"
 BR2_TARGET_UBOOT_NEEDS_PYTHON3=y
 BR2_TARGET_UBOOT_NEEDS_PYLIBFDT=y