diff --git a/requirements/production.txt b/requirements/production.txt
index 9441300..55ff5ec 100644
--- a/requirements/production.txt
+++ b/requirements/production.txt
@@ -8,5 +8,5 @@ psycopg2==2.7.4 --no-binary psycopg2  # https://github.com/psycopg/psycopg2
 # Django
 # ------------------------------------------------------------------------------
 django-storages[boto3]==1.7.1  # https://github.com/jschneier/django-storages
-django-anymail[mailgun]==4.3  # https://github.com/anymail/django-anymail
+django-anymail[mailgun]==5.0  # https://github.com/anymail/django-anymail
 django-heroku==0.3.1  # https://github.com/heroku/django-heroku