diff --git a/configs/imx6slevk_defconfig b/configs/imx6slevk_defconfig
index 90a02964e7..ee7f066f71 100644
--- a/configs/imx6slevk_defconfig
+++ b/configs/imx6slevk_defconfig
@@ -11,7 +11,7 @@ BR2_TARGET_ROOTFS_EXT2_4=y
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BOARDNAME="mx6slevk"
 BR2_TARGET_UBOOT_CUSTOM_VERSION=y
-BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2018.11"
+BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2021.10"
 BR2_TARGET_UBOOT_FORMAT_IMX=y
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y