diff --git a/esphome/components/htu21d/sensor.py b/esphome/components/htu21d/sensor.py
index 37422f0329..2ed318f1c9 100644
--- a/esphome/components/htu21d/sensor.py
+++ b/esphome/components/htu21d/sensor.py
@@ -23,13 +23,13 @@ CONFIG_SCHEMA = (
     cv.Schema(
         {
             cv.GenerateID(): cv.declare_id(HTU21DComponent),
-            cv.Required(CONF_TEMPERATURE): sensor.sensor_schema(
+            cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(
                 unit_of_measurement=UNIT_CELSIUS,
                 accuracy_decimals=1,
                 device_class=DEVICE_CLASS_TEMPERATURE,
                 state_class=STATE_CLASS_MEASUREMENT,
             ),
-            cv.Required(CONF_HUMIDITY): sensor.sensor_schema(
+            cv.Optional(CONF_HUMIDITY): sensor.sensor_schema(
                 unit_of_measurement=UNIT_PERCENT,
                 accuracy_decimals=1,
                 device_class=DEVICE_CLASS_HUMIDITY,