diff --git a/CHANGELOG.md b/CHANGELOG.md
index 962d8fe..f18f1eb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.2.0-RC1]
+
+**Note**: This release requires ESPHome v1.21.0 and Home Assistant 2021.8.0 or newer.
+
+### Changed
+- The code has been made compatible with the new color mode support in Home Assistant.
+
 ## [1.1.0]
 
 **Note**: This release requires ESPHome v1.20.0 or newer.
diff --git a/README.md b/README.md
index 448b147..028dbce 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@ aspect of the lamp and to integrate the lamp in your Home Assistant setup.
 
 For those who have experience with flashing ESPHome onto devices:
 
-* Make sure you are using ESPHome v1.20.0 or newer.
+* Make sure you are using ESPHome v1.21.0 or newer.
 * Copy [`example.yaml`](example.yaml) to `<CONFIG_DIR>/<NODE_NAME>.yaml`.
 * Modify the configuration to your needs (see the [configuration guide](doc/configuration.md)).
 * Compile the `firmware.bin` file and download it to the device to which you have connected your
diff --git a/components/xiaomi_bslamp2/light/color_rgb_light.h b/components/xiaomi_bslamp2/light/color_rgb_light.h
index 1a6e880..b608921 100644
--- a/components/xiaomi_bslamp2/light/color_rgb_light.h
+++ b/components/xiaomi_bslamp2/light/color_rgb_light.h
@@ -252,7 +252,7 @@ class ColorRGBLight : public GPIOOutputs {
   bool set_light_color_values(light::LightColorValues v) {
     light_mode = LIGHT_MODE_RGB;
 
-    if (v.get_white() > 0.0f) {
+    if (v.get_color_mode() != light::ColorMode::RGB) {
       return false;
     }
 
diff --git a/components/xiaomi_bslamp2/light/color_white_light.h b/components/xiaomi_bslamp2/light/color_white_light.h
index ffdbb61..fbf62ca 100644
--- a/components/xiaomi_bslamp2/light/color_white_light.h
+++ b/components/xiaomi_bslamp2/light/color_white_light.h
@@ -80,7 +80,7 @@ class ColorWhiteLight : public GPIOOutputs {
   bool set_light_color_values(light::LightColorValues v) {
     light_mode = LIGHT_MODE_WHITE;
 
-    if (v.get_white() == 0.0f) {
+    if (v.get_color_mode() != light::ColorMode::COLOR_TEMPERATURE) {
       return false;
     }
 
diff --git a/components/xiaomi_bslamp2/light/light_output.h b/components/xiaomi_bslamp2/light/light_output.h
index 0b53da0..3a8c37b 100644
--- a/components/xiaomi_bslamp2/light/light_output.h
+++ b/components/xiaomi_bslamp2/light/light_output.h
@@ -28,11 +28,7 @@ class XiaomiBslamp2LightOutput : public Component, public light::LightOutput {
    */
   light::LightTraits get_traits() override {
     auto traits = light::LightTraits();
-    traits.set_supports_rgb(true);
-    traits.set_supports_color_temperature(true);
-    traits.set_supports_brightness(true);
-    traits.set_supports_rgb_white_value(false);
-    traits.set_supports_color_interlock(true);
+    traits.set_supported_color_modes({light::ColorMode::RGB, light::ColorMode::COLOR_TEMPERATURE});
     traits.set_min_mireds(MIRED_MIN);
     traits.set_max_mireds(MIRED_MAX);
     return traits;