diff --git a/requirements/production.txt b/requirements/production.txt
index 5cd760a..a51eb1b 100644
--- a/requirements/production.txt
+++ b/requirements/production.txt
@@ -9,4 +9,4 @@ Collectfast==2.2.0  # https://github.com/antonagestam/collectfast
 # Django
 # ------------------------------------------------------------------------------
 django-storages[boto3]==1.13.2  # https://github.com/jschneier/django-storages
-django-anymail[mailgun]==9.1  # https://github.com/anymail/django-anymail
+django-anymail[mailgun]==10.0  # https://github.com/anymail/django-anymail