diff --git a/configs/kontron_smarc_sal28_defconfig b/configs/kontron_smarc_sal28_defconfig
index fd001614f4..4a72bf3ec1 100644
--- a/configs/kontron_smarc_sal28_defconfig
+++ b/configs/kontron_smarc_sal28_defconfig
@@ -26,6 +26,7 @@ BR2_TARGET_UBOOT_CUSTOM_VERSION=y
 BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2021.01"
 BR2_TARGET_UBOOT_BOARD_DEFCONFIG="kontron_sl28"
 BR2_TARGET_UBOOT_NEEDS_DTC=y
+BR2_TARGET_UBOOT_NEEDS_PYTHON3=y
 BR2_TARGET_UBOOT_NEEDS_PYLIBFDT=y
 # BR2_TARGET_UBOOT_FORMAT_BIN is not set
 BR2_TARGET_UBOOT_FORMAT_CUSTOM=y