diff --git a/src/mainboard/google/oak/Kconfig b/src/mainboard/google/oak/Kconfig
index 87849a3527..24095f5ad8 100644
--- a/src/mainboard/google/oak/Kconfig
+++ b/src/mainboard/google/oak/Kconfig
@@ -36,6 +36,7 @@ config BOARD_SPECIFIC_OPTIONS
 config CHROMEOS
 	select CHROMEOS_VBNV_FLASH
 	select EC_SOFTWARE_SYNC
+	select VBOOT_EC_SLOW_UPDATE
 	select VBOOT_OPROM_MATTERS
 	select VIRTUAL_DEV_SWITCH