diff --git a/configs/kontron_smarc_sal28_defconfig b/configs/kontron_smarc_sal28_defconfig
index efd4bd41e6..181a92daab 100644
--- a/configs/kontron_smarc_sal28_defconfig
+++ b/configs/kontron_smarc_sal28_defconfig
@@ -1,6 +1,6 @@
 BR2_aarch64=y
 BR2_cortex_a72=y
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_16=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_18=y
 BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV=y
 BR2_ROOTFS_OVERLAY="board/kontron/smarc-sal28/rootfs_overlay"
 BR2_ROOTFS_POST_BUILD_SCRIPT="board/kontron/smarc-sal28/post-build.sh"
@@ -8,7 +8,7 @@ BR2_ROOTFS_POST_IMAGE_SCRIPT="support/scripts/genimage.sh"
 BR2_ROOTFS_POST_SCRIPT_ARGS="-c $(BINARIES_DIR)/genimage.cfg"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.16"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.18"
 BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG=y
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="freescale/fsl-ls1028a-kontron-sl28 freescale/fsl-ls1028a-kontron-sl28-var2 freescale/fsl-ls1028a-kontron-sl28-var3-ads2 freescale/fsl-ls1028a-kontron-sl28-var4 freescale/fsl-ls1028a-kontron-kbox-a-230-ls"
@@ -18,11 +18,11 @@ BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
 BR2_PACKAGE_RCW_SMARC_SAL28=y
 BR2_TARGET_ROOTFS_EXT2=y
 BR2_TARGET_ROOTFS_EXT2_4=y
-BR2_TARGET_ROOTFS_EXT2_SIZE="128M"
+BR2_TARGET_ROOTFS_EXT2_SIZE="160M"
 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="2026.04"
 BR2_TARGET_UBOOT_BOARD_DEFCONFIG="kontron_sl28"
 BR2_TARGET_UBOOT_NEEDS_DTC=y
 BR2_TARGET_UBOOT_NEEDS_PYLIBFDT=y