diff --git a/configs/rock64_defconfig b/configs/rock64_defconfig
index 29b8e9d3c5..50ffc0474f 100644
--- a/configs/rock64_defconfig
+++ b/configs/rock64_defconfig
@@ -26,6 +26,7 @@ BR2_TARGET_UBOOT_CUSTOM_REPO_URL="https://github.com/ayufan-rock64/linux-u-boot.
 BR2_TARGET_UBOOT_CUSTOM_REPO_VERSION="2017.09-rockchip-ayufan-1035-gd646df03ac"
 BR2_TARGET_UBOOT_BOARD_DEFCONFIG="rock64-rk3328"
 BR2_TARGET_UBOOT_NEEDS_DTC=y
+BR2_TARGET_UBOOT_NEEDS_PYLIBFDT=y
 BR2_TARGET_UBOOT_NEEDS_ATF_BL31=y
 BR2_TARGET_UBOOT_NEEDS_ATF_BL31_ELF=y
 BR2_TARGET_UBOOT_FORMAT_CUSTOM=y