diff --git a/homeassistant/components/sensor/usps.py b/homeassistant/components/sensor/usps.py
index cf7378186f4..a789f566896 100644
--- a/homeassistant/components/sensor/usps.py
+++ b/homeassistant/components/sensor/usps.py
@@ -57,7 +57,7 @@ class USPSPackageSensor(Entity):
         for package in self._usps.packages:
             status = slugify(package['primary_status'])
             if status == STATUS_DELIVERED and \
-                    package['date'] < now().date():
+                    package['delivery_date'] < now().date():
                 continue
             status_counts[status] += 1
         self._attributes = {
diff --git a/homeassistant/components/usps.py b/homeassistant/components/usps.py
index 21a2700cd5c..0c4eba54e35 100644
--- a/homeassistant/components/usps.py
+++ b/homeassistant/components/usps.py
@@ -15,7 +15,7 @@ from homeassistant.helpers import (config_validation as cv, discovery)
 from homeassistant.util import Throttle
 from homeassistant.util.dt import now
 
-REQUIREMENTS = ['myusps==1.2.1']
+REQUIREMENTS = ['myusps==1.2.2']
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -23,6 +23,7 @@ DOMAIN = 'usps'
 DATA_USPS = 'data_usps'
 MIN_TIME_BETWEEN_UPDATES = timedelta(minutes=30)
 COOKIE = 'usps_cookies.pickle'
+CACHE = 'usps_cache'
 
 USPS_TYPE = ['sensor', 'camera']
 
@@ -45,7 +46,9 @@ def setup(hass, config):
     import myusps
     try:
         cookie = hass.config.path(COOKIE)
-        session = myusps.get_session(username, password, cookie_path=cookie)
+        cache = hass.config.path(CACHE)
+        session = myusps.get_session(username, password,
+                                     cookie_path=cookie, cache_path=cache)
     except myusps.USPSError:
         _LOGGER.exception('Could not connect to My USPS')
         return False
diff --git a/requirements_all.txt b/requirements_all.txt
index a74f568c76c..1bf5d6149fe 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -432,7 +432,7 @@ mutagen==1.38
 mycroftapi==2.0
 
 # homeassistant.components.usps
-myusps==1.2.1
+myusps==1.2.2
 
 # homeassistant.components.media_player.nad
 # homeassistant.components.media_player.nadtcp