diff --git a/demo_app/example_app/urls.py b/demo_app/example_app/urls.py
index 812af45..2467acc 100644
--- a/demo_app/example_app/urls.py
+++ b/demo_app/example_app/urls.py
@@ -2,10 +2,7 @@
 
 import re
 
-try:
-    from django.urls import url, re_path
-except ImportError:
-    from django.conf.urls import url, re_path
+from django.urls import re_path
 
 from . import views
 
diff --git a/requirements.txt b/requirements.txt
index fcc7a12..ecf44e1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,6 @@
 python-decouple
-python-dateutil
+python-dateutil~=2.8.1
 six
+
+Django~=3.2
+pytz~=2020.5