diff --git a/homeassistant/components/sun.py b/homeassistant/components/sun.py
index 0f25d12706b..f4e13b11761 100644
--- a/homeassistant/components/sun.py
+++ b/homeassistant/components/sun.py
@@ -14,7 +14,7 @@ from homeassistant.helpers.event import (
 from homeassistant.util import dt as dt_util
 from homeassistant.util import location as location_util
 
-REQUIREMENTS = ['astral==0.9']
+REQUIREMENTS = ['astral==1.0']
 DOMAIN = "sun"
 ENTITY_ID = "sun.sun"
 
@@ -113,8 +113,8 @@ def setup(hass, config):
 
     from astral import Location
 
-    location = Location(('', '', latitude, longitude, hass.config.time_zone,
-                         elevation))
+    location = Location(('', '', latitude, longitude,
+                         hass.config.time_zone.zone, elevation))
 
     sun = Sun(hass, location)
     sun.point_in_time_listener(dt_util.utcnow())
diff --git a/requirements_all.txt b/requirements_all.txt
index 3ca5bde300c..58622fdeb70 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -26,7 +26,7 @@ TwitterAPI==2.3.6
 apcaccess==0.0.4
 
 # homeassistant.components.sun
-astral==0.9
+astral==1.0
 
 # homeassistant.components.light.blinksticklight
 blinkstick==1.1.7