diff --git a/configs/stm32mp157a_dk1_defconfig b/configs/stm32mp157a_dk1_defconfig
index 3b8fdea993..ecaace54b8 100644
--- a/configs/stm32mp157a_dk1_defconfig
+++ b/configs/stm32mp157a_dk1_defconfig
@@ -36,11 +36,11 @@ BR2_TARGET_ARM_TRUSTED_FIRMWARE_NEEDS_DTC=y
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
 BR2_TARGET_UBOOT_CUSTOM_VERSION=y
-BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2021.10"
+BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2023.04"
 BR2_TARGET_UBOOT_BOARD_DEFCONFIG="stm32mp15_trusted"
 # BR2_TARGET_UBOOT_FORMAT_BIN is not set
 BR2_TARGET_UBOOT_FORMAT_STM32=y
-BR2_TARGET_UBOOT_BUILD_FORMAT_STM32_LEGACY=y
+BR2_TARGET_UBOOT_NEEDS_PYLIBFDT=y
 BR2_TARGET_UBOOT_NEEDS_OPENSSL=y
 BR2_TARGET_UBOOT_CUSTOM_MAKEOPTS="DEVICE_TREE=stm32mp157a-dk1"
 
diff --git a/configs/stm32mp157c_dk2_defconfig b/configs/stm32mp157c_dk2_defconfig
index 8b83bfe443..cf2433d67e 100644
--- a/configs/stm32mp157c_dk2_defconfig
+++ b/configs/stm32mp157c_dk2_defconfig
@@ -36,11 +36,11 @@ BR2_TARGET_ARM_TRUSTED_FIRMWARE_NEEDS_DTC=y
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
 BR2_TARGET_UBOOT_CUSTOM_VERSION=y
-BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2021.10"
+BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2023.04"
 BR2_TARGET_UBOOT_BOARD_DEFCONFIG="stm32mp15_trusted"
 # BR2_TARGET_UBOOT_FORMAT_BIN is not set
 BR2_TARGET_UBOOT_FORMAT_STM32=y
-BR2_TARGET_UBOOT_BUILD_FORMAT_STM32_LEGACY=y
+BR2_TARGET_UBOOT_NEEDS_PYLIBFDT=y
 BR2_TARGET_UBOOT_NEEDS_OPENSSL=y
 BR2_TARGET_UBOOT_CUSTOM_MAKEOPTS="DEVICE_TREE=stm32mp157c-dk2"