diff --git a/requirements/base.txt b/requirements/base.txt
index 7a0195882..c3465e1e9 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -1,7 +1,7 @@
 # Django
 django==4.2.14
 django-allauth==0.63.4
-django-anymail[mailgun]==8.6
+django-anymail[mailgun]==11.0
 django-autoslug==1.9.9  # https://github.com/justinmayer/django-autoslug
 django-ckeditor==6.7.1 # Todo: Unused, remove.
 django-cors-headers==3.14.0