diff --git a/requirements/requirements.txt b/requirements/requirements.txt
index 42efe5df4..644827940 100644
--- a/requirements/requirements.txt
+++ b/requirements/requirements.txt
@@ -24,7 +24,7 @@ django-ranged-response==0.2.0
 django-redis-cache==2.1.1
 django-rest-swagger==2.1.2
 django-simple-captcha==0.5.6
-django-timezone-field==3.1
+django-timezone-field==4.0
 djangorestframework==3.9.4
 djangorestframework-bulk==0.2.1
 docutils==0.14