diff --git a/configs/sandbox64_defconfig b/configs/sandbox64_defconfig
index 20a2ab3..1fa85a8 100644
--- a/configs/sandbox64_defconfig
+++ b/configs/sandbox64_defconfig
@@ -199,3 +199,5 @@
 CONFIG_UT_DM=y
 CONFIG_UT_ENV=y
 CONFIG_UT_OVERLAY=y
+CONFIG_SMEM=y
+CONFIG_SANDBOX_SMEM=y