diff --git a/homeassistant/components/binary_sensor/workday.py b/homeassistant/components/binary_sensor/workday.py
index 83dc51a2e0f..af814cfd464 100644
--- a/homeassistant/components/binary_sensor/workday.py
+++ b/homeassistant/components/binary_sensor/workday.py
@@ -17,17 +17,21 @@ import homeassistant.helpers.config_validation as cv
 
 _LOGGER = logging.getLogger(__name__)
 
-REQUIREMENTS = ['holidays==0.8.1']
+REQUIREMENTS = ['holidays==0.9.3']
 
 # List of all countries currently supported by holidays
 # There seems to be no way to get the list out at runtime
-ALL_COUNTRIES = ['Australia', 'AU', 'Austria', 'AT', 'Canada', 'CA',
-                 'Colombia', 'CO', 'Czech', 'CZ', 'Denmark', 'DK', 'England',
-                 'EuropeanCentralBank', 'ECB', 'TAR', 'Germany', 'DE',
-                 'Ireland', 'Isle of Man', 'Mexico', 'MX', 'Netherlands', 'NL',
-                 'NewZealand', 'NZ', 'Northern Ireland', 'Norway', 'NO',
-                 'Portugal', 'PT', 'PortugalExt', 'PTE', 'Scotland', 'Spain',
-                 'ES', 'UnitedKingdom', 'UK', 'UnitedStates', 'US', 'Wales']
+ALL_COUNTRIES = ['Australia', 'AU', 'Austria', 'AT', 'Belgium', 'BE', 'Canada',
+                 'CA', 'Colombia', 'CO', 'Czech', 'CZ', 'Denmark', 'DK',
+                 'England', 'EuropeanCentralBank', 'ECB', 'TAR', 'Finland',
+                 'FI', 'France', 'FRA', 'Germany', 'DE', 'Ireland',
+                 'Isle of Man', 'Italy', 'IT', 'Japan', 'JP', 'Mexico', 'MX',
+                 'Netherlands', 'NL', 'NewZealand', 'NZ', 'Northern Ireland',
+                 'Norway', 'NO', 'Polish', 'PL', 'Portugal', 'PT',
+                 'PortugalExt', 'PTE', 'Scotland', 'Slovenia', 'SI',
+                 'Slovakia', 'SK', 'South Africa', 'ZA', 'Spain', 'ES',
+                 'Sweden', 'SE', 'UnitedKingdom', 'UK', 'UnitedStates', 'US',
+                 'Wales']
 CONF_COUNTRY = 'country'
 CONF_PROVINCE = 'province'
 CONF_WORKDAYS = 'workdays'
diff --git a/requirements_all.txt b/requirements_all.txt
index 1bee68301d6..23a641a0be0 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -346,7 +346,7 @@ hikvision==0.4
 hipnotify==1.0.8
 
 # homeassistant.components.binary_sensor.workday
-holidays==0.8.1
+holidays==0.9.3
 
 # homeassistant.components.frontend
 home-assistant-frontend==20180119.0
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 83f2b8df1e9..b3882a00b3b 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -72,7 +72,7 @@ haversine==0.4.5
 hbmqtt==0.9.1
 
 # homeassistant.components.binary_sensor.workday
-holidays==0.8.1
+holidays==0.9.3
 
 # homeassistant.components.frontend
 home-assistant-frontend==20180119.0