diff --git a/homeassistant/components/device_tracker/snmp.py b/homeassistant/components/device_tracker/snmp.py
index 6a849d0b05abfd..a9afc76e67c273 100644
--- a/homeassistant/components/device_tracker/snmp.py
+++ b/homeassistant/components/device_tracker/snmp.py
@@ -14,7 +14,7 @@
     DOMAIN, PLATFORM_SCHEMA, DeviceScanner)
 from homeassistant.const import CONF_HOST
 
-REQUIREMENTS = ['pysnmp==4.4.4']
+REQUIREMENTS = ['pysnmp==4.4.5']
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/homeassistant/components/sensor/snmp.py b/homeassistant/components/sensor/snmp.py
index 5600f906f342ca..e6119ab80b6d31 100644
--- a/homeassistant/components/sensor/snmp.py
+++ b/homeassistant/components/sensor/snmp.py
@@ -16,7 +16,7 @@
     CONF_HOST, CONF_NAME, CONF_PORT, CONF_UNIT_OF_MEASUREMENT, STATE_UNKNOWN,
     CONF_VALUE_TEMPLATE)
 
-REQUIREMENTS = ['pysnmp==4.4.4']
+REQUIREMENTS = ['pysnmp==4.4.5']
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/homeassistant/components/switch/snmp.py b/homeassistant/components/switch/snmp.py
index b0c192cdafad42..9c84584e833b9e 100644
--- a/homeassistant/components/switch/snmp.py
+++ b/homeassistant/components/switch/snmp.py
@@ -13,7 +13,7 @@
     CONF_HOST, CONF_NAME, CONF_PORT, CONF_PAYLOAD_ON, CONF_PAYLOAD_OFF)
 import homeassistant.helpers.config_validation as cv
 
-REQUIREMENTS = ['pysnmp==4.4.4']
+REQUIREMENTS = ['pysnmp==4.4.5']
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/requirements_all.txt b/requirements_all.txt
index 2ee58f9033471c..312dab441c9e2f 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1017,7 +1017,7 @@ pysma==0.2
 # homeassistant.components.device_tracker.snmp
 # homeassistant.components.sensor.snmp
 # homeassistant.components.switch.snmp
-pysnmp==4.4.4
+pysnmp==4.4.5
 
 # homeassistant.components.notify.stride
 pystride==0.1.7