diff --git a/configs/pico-imx6ul_defconfig b/configs/pico-imx6ul_defconfig
index dcee179..4e60159 100644
--- a/configs/pico-imx6ul_defconfig
+++ b/configs/pico-imx6ul_defconfig
@@ -76,6 +76,7 @@
 CONFIG_DM_REGULATOR_PFUZE100=y
 CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_DM_REGULATOR_GPIO=y
+CONFIG_DM_SERIAL=y
 CONFIG_MXC_UART=y
 CONFIG_USB=y
 CONFIG_USB_MAX_CONTROLLER_COUNT=2