diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 1942707d16fc..a5e00d85ea77 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -970,6 +970,7 @@ config SENSORS_LTC2990
 config SENSORS_LTC2991
 	tristate "Analog Devices LTC2991"
 	depends on I2C
+	select REGMAP_I2C
 	help
 	  If you say yes here you get support for Analog Devices LTC2991
 	  Octal I2C Voltage, Current, and Temperature Monitor. The LTC2991