diff --git a/configs/rockpro64_defconfig b/configs/rockpro64_defconfig
index 4704ac7206..472b9aded2 100644
--- a/configs/rockpro64_defconfig
+++ b/configs/rockpro64_defconfig
@@ -22,6 +22,9 @@ BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2023.07"
 BR2_TARGET_UBOOT_BOARD_DEFCONFIG="rockpro64-rk3399"
 BR2_TARGET_UBOOT_NEEDS_DTC=y
 BR2_TARGET_UBOOT_NEEDS_PYTHON3=y
+BR2_TARGET_UBOOT_NEEDS_PYLIBFDT=y
+BR2_TARGET_UBOOT_NEEDS_PYELFTOOLS=y
+BR2_TARGET_UBOOT_NEEDS_OPENSSL=y
 BR2_TARGET_UBOOT_NEEDS_ATF_BL31=y
 BR2_TARGET_UBOOT_NEEDS_ATF_BL31_ELF=y
 BR2_TARGET_UBOOT_FORMAT_CUSTOM=y
@@ -43,6 +46,7 @@ BR2_TARGET_GENERIC_HOSTNAME="rockpro64"
 BR2_TARGET_GENERIC_ISSUE="Welcome to ROCKPRO64"
 BR2_TARGET_ROOTFS_EXT2=y
 BR2_TARGET_ROOTFS_EXT2_4=y
+BR2_TARGET_ROOTFS_EXT2_SIZE="120M"
 BR2_PACKAGE_HOST_DOSFSTOOLS=y
 BR2_PACKAGE_HOST_GENIMAGE=y
 BR2_PACKAGE_HOST_MTOOLS=y