diff --git a/requirements/base.txt b/requirements/base.txt
index e0f92b57c..3f21c3d97 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -14,3 +14,4 @@ django-allauth==0.52.0
 django-widget-tweaks==1.5.0
 psycopg2==2.9.5
 djangorestframework==3.14.0
+python-dateutil==2.9.0.post0