diff --git a/package/boot/uboot-rockchip/Makefile b/package/boot/uboot-rockchip/Makefile
index 7dcf31915..c08fffda8 100644
--- a/package/boot/uboot-rockchip/Makefile
+++ b/package/boot/uboot-rockchip/Makefile
@@ -189,7 +189,7 @@ define U-Boot/panther-x2-rk3566
   DEPENDS:=+PACKAGE_u-boot-panther-x2-rk3566:arm-trusted-firmware-rk3566
   PKG_BUILD_DEPENDS:=arm-trusted-firmware-rockchip-vendor
   ATF:=rk3568_bl31_v1.44.elf
-  DDR:=rk3566_ddr_1056MHz_v1.18.bin
+  DDR:=rk3566_ddr_1056MHz_v1.21.bin
 endef
 
 # RK3568 boards