diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
index f1067b9..d601677 100644
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -56,6 +56,7 @@
 CONFIG_CMD_MEM_SEARCH=y
 CONFIG_CMD_MX_CYCLIC=y
 CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_UNZIP=y
 CONFIG_CMD_BIND=y
 CONFIG_CMD_DEMO=y
 CONFIG_CMD_GPIO=y