diff --git a/requirements/production.txt b/requirements/production.txt
index f241c48..9104cd8 100644
--- a/requirements/production.txt
+++ b/requirements/production.txt
@@ -7,4 +7,4 @@ psycopg[c]==3.2.1  # https://github.com/psycopg/psycopg
 
 # Django
 # ------------------------------------------------------------------------------
-django-anymail[mailgun]==11.0.1  # https://github.com/anymail/django-anymail
+django-anymail[mailgun]==13.0  # https://github.com/anymail/django-anymail