diff --git a/requirements/base.txt b/requirements/base.txt
index 529ea668..b38563f0 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -2,7 +2,7 @@
 django==3.2.25
 django-environ==0.12.0
 django-model-utils==4.5.1
-django-anymail[mailgun]==9.2
+django-anymail[mailgun]==13.1
 django-mail-templated==2.6.5
 django-allauth==0.55.2
 django-crispy-forms==1.14.0