diff --git a/esphome/components/mcp3221/sensor.py b/esphome/components/mcp3221/sensor.py
index 2080a3cf5e..a06a0676bc 100644
--- a/esphome/components/mcp3221/sensor.py
+++ b/esphome/components/mcp3221/sensor.py
@@ -9,6 +9,7 @@ from esphome.const import (
     UNIT_VOLT,
 )
 
+AUTO_LOAD = ["voltage_sampler"]
 DEPENDENCIES = ["i2c"]
 
 # CONF_CONTINUOUS_MODE = "continuous_mode"