diff --git a/homeassistant/package_constraints.txt b/homeassistant/package_constraints.txt
index d820f5e715b1..1818385c0e21 100644
--- a/homeassistant/package_constraints.txt
+++ b/homeassistant/package_constraints.txt
@@ -28,7 +28,7 @@ requests==2.25.0
 ruamel.yaml==0.15.100
 sqlalchemy==1.3.20
 voluptuous-serialize==2.4.0
-voluptuous==0.12.0
+voluptuous==0.12.1
 yarl==1.4.2
 zeroconf==0.28.6
 
diff --git a/requirements.txt b/requirements.txt
index ece1877ea75d..cbe339fd8357 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,6 +19,6 @@ pytz>=2020.1
 pyyaml==5.3.1
 requests==2.25.0
 ruamel.yaml==0.15.100
-voluptuous==0.12.0
+voluptuous==0.12.1
 voluptuous-serialize==2.4.0
 yarl==1.4.2
diff --git a/setup.py b/setup.py
index d5d133d4a3a9..c9acb4d82d79 100755
--- a/setup.py
+++ b/setup.py
@@ -51,7 +51,7 @@ REQUIRES = [
     "pyyaml==5.3.1",
     "requests==2.25.0",
     "ruamel.yaml==0.15.100",
-    "voluptuous==0.12.0",
+    "voluptuous==0.12.1",
     "voluptuous-serialize==2.4.0",
     "yarl==1.4.2",
 ]
diff --git a/tests/components/mqtt/test_climate.py b/tests/components/mqtt/test_climate.py
index 4d049753f431..0a9c1dc61040 100644
--- a/tests/components/mqtt/test_climate.py
+++ b/tests/components/mqtt/test_climate.py
@@ -133,9 +133,9 @@ async def test_set_operation_bad_attr_and_state(hass, mqtt_mock, caplog):
     assert state.state == "off"
     with pytest.raises(vol.Invalid) as excinfo:
         await common.async_set_hvac_mode(hass, None, ENTITY_CLIMATE)
-    assert ("value is not allowed for dictionary value @ data['hvac_mode']") in str(
-        excinfo.value
-    )
+    assert (
+        "value must be one of ['auto', 'cool', 'dry', 'fan_only', 'heat', 'heat_cool', 'off'] for dictionary value @ data['hvac_mode']"
+    ) in str(excinfo.value)
     state = hass.states.get(ENTITY_CLIMATE)
     assert state.state == "off"