diff --git a/homeassistant/scripts/check_config.py b/homeassistant/scripts/check_config.py
index e96bc57624f..487d97ffdd8 100644
--- a/homeassistant/scripts/check_config.py
+++ b/homeassistant/scripts/check_config.py
@@ -17,7 +17,7 @@ import homeassistant.util.yaml.loader as yaml_loader
 
 # mypy: allow-untyped-calls, allow-untyped-defs
 
-REQUIREMENTS = ("colorlog==4.1.0",)
+REQUIREMENTS = ("colorlog==4.2.1",)
 
 _LOGGER = logging.getLogger(__name__)
 # pylint: disable=protected-access
diff --git a/requirements_all.txt b/requirements_all.txt
index 73231341f31..9968ed8db92 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -429,7 +429,7 @@ coinbase==2.1.0
 coinmarketcap==5.0.3
 
 # homeassistant.scripts.check_config
-colorlog==4.1.0
+colorlog==4.2.1
 
 # homeassistant.components.concord232
 concord232==0.15
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index aaa45891f18..a1e9c2c64bd 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -217,7 +217,7 @@ caldav==0.6.1
 coinmarketcap==5.0.3
 
 # homeassistant.scripts.check_config
-colorlog==4.1.0
+colorlog==4.2.1
 
 # homeassistant.components.eddystone_temperature
 # homeassistant.components.eq3btsmart