diff --git a/homeassistant/components/lutron_caseta/light.py b/homeassistant/components/lutron_caseta/light.py
index d60f75a4ebc..3e7a8725b1b 100644
--- a/homeassistant/components/lutron_caseta/light.py
+++ b/homeassistant/components/lutron_caseta/light.py
@@ -5,8 +5,8 @@ import logging
 from homeassistant.components.light import (
     ATTR_BRIGHTNESS,
     ATTR_TRANSITION,
+    COLOR_MODE_BRIGHTNESS,
     DOMAIN,
-    SUPPORT_BRIGHTNESS,
     SUPPORT_TRANSITION,
     LightEntity,
 )
@@ -56,10 +56,9 @@ async def async_setup_entry(
 class LutronCasetaLight(LutronCasetaDevice, LightEntity):
     """Representation of a Lutron Light, including dimmable."""
 
-    @property
-    def supported_features(self):
-        """Flag supported features."""
-        return SUPPORT_BRIGHTNESS | SUPPORT_TRANSITION
+    _attr_color_mode = COLOR_MODE_BRIGHTNESS
+    _attr_supported_color_modes = {COLOR_MODE_BRIGHTNESS}
+    _attr_supported_features = SUPPORT_TRANSITION
 
     @property
     def brightness(self):