diff --git a/homeassistant/components/sensor/systemmonitor.py b/homeassistant/components/sensor/systemmonitor.py
index 893ec8154c4..125a2871f28 100755
--- a/homeassistant/components/sensor/systemmonitor.py
+++ b/homeassistant/components/sensor/systemmonitor.py
@@ -8,14 +8,13 @@ import logging
 
 import voluptuous as vol
 
-import homeassistant.util.dt as dt_util
-
-from homeassistant.const import (CONF_RESOURCES, STATE_OFF, STATE_ON)
 from homeassistant.components.sensor import PLATFORM_SCHEMA
+from homeassistant.const import (CONF_RESOURCES, STATE_OFF, STATE_ON)
 from homeassistant.helpers.entity import Entity
 import homeassistant.helpers.config_validation as cv
+import homeassistant.util.dt as dt_util
 
-REQUIREMENTS = ['psutil==4.3.0']
+REQUIREMENTS = ['psutil==4.3.1']
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/requirements_all.txt b/requirements_all.txt
index c98da7d6b1f..7acce4b448e 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -270,7 +270,7 @@ pmsensor==0.3
 proliphix==0.3.1
 
 # homeassistant.components.sensor.systemmonitor
-psutil==4.3.0
+psutil==4.3.1
 
 # homeassistant.components.wink
 # homeassistant.components.binary_sensor.wink