diff --git a/configs/rock64-rk3328_defconfig b/configs/rock64-rk3328_defconfig
index e9f0415..c2641f6 100644
--- a/configs/rock64-rk3328_defconfig
+++ b/configs/rock64-rk3328_defconfig
@@ -75,6 +75,8 @@
 CONFIG_ROCKCHIP_EFUSE=y
 CONFIG_MMC_DW=y
 CONFIG_MMC_DW_ROCKCHIP=y
+CONFIG_DM_RNG=y
+CONFIG_RNG_ROCKCHIP=y
 CONFIG_SPI_FLASH_GIGADEVICE=y
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_GMAC_ROCKCHIP=y