diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
index 692432c..ee1e6f3 100644
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -196,6 +196,8 @@
 CONFIG_DM_RESET=y
 CONFIG_SANDBOX_RESET=y
 CONFIG_DM_RNG=y
+CONFIG_RNG_SANDBOX=y
+CONFIG_RESET_SYSCON=y
 CONFIG_DM_RTC=y
 CONFIG_RTC_RV8803=y
 CONFIG_SANDBOX_SERIAL=y