diff --git a/src/mainboard/system76/adl/Kconfig b/src/mainboard/system76/adl/Kconfig
index 6d8b4ba5c5..296d12c51c 100644
--- a/src/mainboard/system76/adl/Kconfig
+++ b/src/mainboard/system76/adl/Kconfig
@@ -10,6 +10,7 @@ config BOARD_SYSTEM76_ADL_COMMON
 	select DRIVERS_INTEL_PMC
 	select DRIVERS_INTEL_USB4_RETIMER
 	select EC_SYSTEM76_EC
+	select EC_SYSTEM76_EC_LOCKDOWN
 	select HAVE_ACPI_RESUME
 	select HAVE_ACPI_TABLES
 	select HAVE_CMOS_DEFAULT
diff --git a/src/mainboard/system76/mtl/Kconfig b/src/mainboard/system76/mtl/Kconfig
index c94bf48bd2..a0515d905c 100644
--- a/src/mainboard/system76/mtl/Kconfig
+++ b/src/mainboard/system76/mtl/Kconfig
@@ -8,6 +8,7 @@ config BOARD_SYSTEM76_MTL_COMMON
 	select DRIVERS_GENERIC_CBFS_UUID
 	select DRIVERS_I2C_HID
 	select EC_SYSTEM76_EC
+	select EC_SYSTEM76_EC_LOCKDOWN
 	select HAVE_ACPI_RESUME
 	select HAVE_ACPI_TABLES
 	select HAVE_CMOS_DEFAULT
diff --git a/src/mainboard/system76/rpl/Kconfig b/src/mainboard/system76/rpl/Kconfig
index 758fc095a5..357266b529 100644
--- a/src/mainboard/system76/rpl/Kconfig
+++ b/src/mainboard/system76/rpl/Kconfig
@@ -8,6 +8,7 @@ config BOARD_SYSTEM76_RPL_COMMON
 	select DRIVERS_GENERIC_CBFS_UUID
 	select DRIVERS_I2C_HID
 	select EC_SYSTEM76_EC
+	select EC_SYSTEM76_EC_LOCKDOWN
 	select HAVE_ACPI_RESUME
 	select HAVE_ACPI_TABLES
 	select HAVE_CMOS_DEFAULT
diff --git a/src/mainboard/system76/tgl-h/Kconfig b/src/mainboard/system76/tgl-h/Kconfig
index 847042f948..709a9b0e98 100644
--- a/src/mainboard/system76/tgl-h/Kconfig
+++ b/src/mainboard/system76/tgl-h/Kconfig
@@ -13,6 +13,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select DRIVERS_I2C_TAS5825M if BOARD_SYSTEM76_ORYP8
 	select EC_SYSTEM76_EC
 	select EC_SYSTEM76_EC_DGPU
+	select EC_SYSTEM76_EC_LOCKDOWN
 	select HAVE_ACPI_RESUME
 	select HAVE_ACPI_TABLES
 	select HAVE_CMOS_DEFAULT
diff --git a/src/mainboard/system76/tgl-u/Kconfig b/src/mainboard/system76/tgl-u/Kconfig
index ed44a71705..92d55160a0 100644
--- a/src/mainboard/system76/tgl-u/Kconfig
+++ b/src/mainboard/system76/tgl-u/Kconfig
@@ -14,6 +14,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select DRIVERS_INTEL_USB4_RETIMER
 	select EC_SYSTEM76_EC
 	select EC_SYSTEM76_EC_DGPU if BOARD_SYSTEM76_GALP5
+	select EC_SYSTEM76_EC_LOCKDOWN
 	select HAVE_ACPI_TABLES
 	select HAVE_CMOS_DEFAULT
 	select HAVE_OPTION_TABLE