diff --git a/homeassistant/components/brother/manifest.json b/homeassistant/components/brother/manifest.json
index bc63de34b2a..0e534147cb1 100644
--- a/homeassistant/components/brother/manifest.json
+++ b/homeassistant/components/brother/manifest.json
@@ -3,7 +3,7 @@
   "name": "Brother Printer",
   "documentation": "https://www.home-assistant.io/integrations/brother",
   "codeowners": ["@bieniu"],
-  "requirements": ["brother==0.1.18"],
+  "requirements": ["brother==0.1.20"],
   "zeroconf": [{"type": "_printer._tcp.local.", "name":"Brother*"}],
   "config_flow": true,
   "quality_scale": "platinum"
diff --git a/homeassistant/components/brother/sensor.py b/homeassistant/components/brother/sensor.py
index 97890e83cff..40e2deae67d 100644
--- a/homeassistant/components/brother/sensor.py
+++ b/homeassistant/components/brother/sensor.py
@@ -1,9 +1,6 @@
 """Support for the Brother service."""
-from datetime import timedelta
-
 from homeassistant.const import DEVICE_CLASS_TIMESTAMP
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
-from homeassistant.util.dt import utcnow
 
 from .const import (
     ATTR_BLACK_DRUM_COUNTER,
@@ -79,8 +76,7 @@ class BrotherPrinterSensor(CoordinatorEntity):
     def state(self):
         """Return the state."""
         if self.kind == ATTR_UPTIME:
-            uptime = utcnow() - timedelta(seconds=self.coordinator.data.get(self.kind))
-            return uptime.replace(microsecond=0).isoformat()
+            return self.coordinator.data.get(self.kind).isoformat()
         return self.coordinator.data.get(self.kind)
 
     @property
diff --git a/requirements_all.txt b/requirements_all.txt
index 197d1bc1aa8..c93bdd10b47 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -383,7 +383,7 @@ bravia-tv==1.0.8
 broadlink==0.16.0
 
 # homeassistant.components.brother
-brother==0.1.18
+brother==0.1.20
 
 # homeassistant.components.brottsplatskartan
 brottsplatskartan==0.0.1
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 1ff2ab833f4..41e73aa3db3 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -207,7 +207,7 @@ bravia-tv==1.0.8
 broadlink==0.16.0
 
 # homeassistant.components.brother
-brother==0.1.18
+brother==0.1.20
 
 # homeassistant.components.bsblan
 bsblan==0.4.0
diff --git a/tests/components/brother/test_sensor.py b/tests/components/brother/test_sensor.py
index ac32e1b983c..3f9ee9394b7 100644
--- a/tests/components/brother/test_sensor.py
+++ b/tests/components/brother/test_sensor.py
@@ -16,7 +16,7 @@ from homeassistant.const import (
 from homeassistant.setup import async_setup_component
 from homeassistant.util.dt import UTC, utcnow
 
-from tests.async_mock import patch
+from tests.async_mock import Mock, patch
 from tests.common import async_fire_time_changed, load_fixture
 from tests.components.brother import init_integration
 
@@ -39,9 +39,7 @@ async def test_sensors(hass):
         disabled_by=None,
     )
     test_time = datetime(2019, 11, 11, 9, 10, 32, tzinfo=UTC)
-    with patch(
-        "homeassistant.components.brother.sensor.utcnow", return_value=test_time
-    ), patch(
+    with patch("brother.datetime", utcnow=Mock(return_value=test_time)), patch(
         "brother.Brother._get_data",
         return_value=json.loads(load_fixture("brother_printer_data.json")),
     ):