diff --git a/homeassistant/components/brother/manifest.json b/homeassistant/components/brother/manifest.json
index bd5d877b4f3..cba44b68c6a 100644
--- a/homeassistant/components/brother/manifest.json
+++ b/homeassistant/components/brother/manifest.json
@@ -8,7 +8,7 @@
   "iot_class": "local_polling",
   "loggers": ["brother", "pyasn1", "pysmi", "pysnmp"],
   "quality_scale": "platinum",
-  "requirements": ["brother==2.2.0"],
+  "requirements": ["brother==2.3.0"],
   "zeroconf": [
     {
       "type": "_printer._tcp.local.",
diff --git a/homeassistant/components/snmp/manifest.json b/homeassistant/components/snmp/manifest.json
index 8194b3f96ce..324a1e49366 100644
--- a/homeassistant/components/snmp/manifest.json
+++ b/homeassistant/components/snmp/manifest.json
@@ -5,5 +5,5 @@
   "documentation": "https://www.home-assistant.io/integrations/snmp",
   "iot_class": "local_polling",
   "loggers": ["pyasn1", "pysmi", "pysnmp"],
-  "requirements": ["pysnmplib==5.0.20"]
+  "requirements": ["pysnmplib==5.0.21"]
 }
diff --git a/homeassistant/components/snmp/sensor.py b/homeassistant/components/snmp/sensor.py
index c20e5fe6e36..fc8068fb532 100644
--- a/homeassistant/components/snmp/sensor.py
+++ b/homeassistant/components/snmp/sensor.py
@@ -145,7 +145,7 @@ async def async_setup_platform(
             ContextData(),
         ]
     get_result = await getCmd(*request_args, ObjectType(ObjectIdentity(baseoid)))
-    errindication, _, _, _ = await get_result
+    errindication, _, _, _ = get_result
 
     if errindication and not accept_errors:
         _LOGGER.error("Please check the details in the configuration file")
@@ -207,7 +207,7 @@ class SnmpData:
         get_result = await getCmd(
             *self._request_args, ObjectType(ObjectIdentity(self._baseoid))
         )
-        errindication, errstatus, errindex, restable = await get_result
+        errindication, errstatus, errindex, restable = get_result
 
         if errindication and not self._accept_errors:
             _LOGGER.error("SNMP error: %s", errindication)
diff --git a/homeassistant/components/snmp/switch.py b/homeassistant/components/snmp/switch.py
index 4699aaefd77..d0fe393d550 100644
--- a/homeassistant/components/snmp/switch.py
+++ b/homeassistant/components/snmp/switch.py
@@ -261,7 +261,7 @@ class SnmpSwitch(SwitchEntity):
         get_result = await getCmd(
             *self._request_args, ObjectType(ObjectIdentity(self._baseoid))
         )
-        errindication, errstatus, errindex, restable = await get_result
+        errindication, errstatus, errindex, restable = get_result
 
         if errindication:
             _LOGGER.error("SNMP error: %s", errindication)
diff --git a/requirements_all.txt b/requirements_all.txt
index 000aa752b42..7e6008ce147 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -480,7 +480,7 @@ boto3==1.20.24
 broadlink==0.18.3
 
 # homeassistant.components.brother
-brother==2.2.0
+brother==2.3.0
 
 # homeassistant.components.brottsplatskartan
 brottsplatskartan==0.0.1
@@ -1982,7 +1982,7 @@ pysmarty==0.8
 pysml==0.0.8
 
 # homeassistant.components.snmp
-pysnmplib==5.0.20
+pysnmplib==5.0.21
 
 # homeassistant.components.snooz
 pysnooz==0.8.3
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index e02ee6a6c3c..d74867edbfe 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -393,7 +393,7 @@ boschshcpy==0.2.35
 broadlink==0.18.3
 
 # homeassistant.components.brother
-brother==2.2.0
+brother==2.3.0
 
 # homeassistant.components.brunt
 brunt==1.2.0
@@ -1435,7 +1435,7 @@ pysmartthings==0.7.6
 pysml==0.0.8
 
 # homeassistant.components.snmp
-pysnmplib==5.0.20
+pysnmplib==5.0.21
 
 # homeassistant.components.snooz
 pysnooz==0.8.3
diff --git a/tests/components/snmp/test_sensor.py b/tests/components/snmp/test_sensor.py
index b15cc4bfa61..d6637946da8 100644
--- a/tests/components/snmp/test_sensor.py
+++ b/tests/components/snmp/test_sensor.py
@@ -1,6 +1,5 @@
 """SNMP sensor tests."""
 
-import asyncio
 from unittest.mock import MagicMock, Mock, patch
 
 import pytest
@@ -16,11 +15,9 @@ def hlapi_mock():
     """Mock out 3rd party API."""
     mock_data = MagicMock()
     mock_data.prettyPrint = Mock(return_value="13.5")
-    future = asyncio.get_event_loop().create_future()
-    future.set_result((None, None, None, [[mock_data]]))
     with patch(
         "homeassistant.components.snmp.sensor.getCmd",
-        return_value=future,
+        return_value=(None, None, None, [[mock_data]]),
     ):
         yield