diff --git a/homeassistant/scripts/check_config.py b/homeassistant/scripts/check_config.py
index ac341e8f58a..50463c28bd1 100644
--- a/homeassistant/scripts/check_config.py
+++ b/homeassistant/scripts/check_config.py
@@ -21,7 +21,7 @@ from homeassistant.config import (
 from homeassistant.util import yaml
 from homeassistant.exceptions import HomeAssistantError
 
-REQUIREMENTS = ('colorlog==3.1.4',)
+REQUIREMENTS = ('colorlog==4.0.2',)
 if system() == 'Windows':  # Ensure colorama installed for colorlog on Windows
     REQUIREMENTS += ('colorama<=1',)
 
diff --git a/requirements_all.txt b/requirements_all.txt
index fb191202cdd..5b0d7f0811a 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -260,7 +260,7 @@ coinbase==2.1.0
 coinmarketcap==5.0.3
 
 # homeassistant.scripts.check_config
-colorlog==3.1.4
+colorlog==4.0.2
 
 # homeassistant.components.alarm_control_panel.concord232
 # homeassistant.components.binary_sensor.concord232