diff --git a/python/fbprophet/hdays.py b/python/fbprophet/hdays.py
index ddfb128..0812694 100644
--- a/python/fbprophet/hdays.py
+++ b/python/fbprophet/hdays.py
@@ -13,13 +13,10 @@ from datetime import date, timedelta
 from convertdate.islamic import from_gregorian, to_gregorian
 from lunarcalendar import Lunar, Converter
 
-try:
-    from holidays import WEEKEND, HolidayBase, easter, rd
-except:
-    from holidays.constants import WEEKEND
-    from holidays.holiday_base import HolidayBase
-    from dateutil.easter import easter
-    from dateutil.relativedelta import relativedelta as rd
+from holidays import WEEKEND, HolidayBase
+from dateutil.easter import easter
+from dateutil.relativedelta import relativedelta as rd
+
 
 # Official public holidays at a country level
 # ------------ Holidays in Brazil---------------------
diff --git a/python/requirements.txt b/python/requirements.txt
index 7748ebe..f474113 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -5,5 +5,6 @@ pandas>=0.23.4
 matplotlib>=2.0.0
 LunarCalendar>=0.0.9
 convertdate>=2.1.2
-holidays>=0.10.1
+holidays>=0.9.5
 setuptools-git>=1.2
+python-dateutil>=2.8.0