diff --git a/pkgs/development/python-modules/django-mailman3/default.nix b/pkgs/development/python-modules/django-mailman3/default.nix
index 7e99d22693fc..4f4304fd1d6c 100644
--- a/pkgs/development/python-modules/django-mailman3/default.nix
+++ b/pkgs/development/python-modules/django-mailman3/default.nix
@@ -4,11 +4,11 @@
 
 buildPythonPackage rec {
   pname = "django-mailman3";
-  version = "1.3.5";
+  version = "1.3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "368595b3c2623edeaca5beea5f12887424c384edd6f7052cf442443075084313";
+    sha256 = "cd3cb1ac26a3658bd694b82f00eaab98903bd2edff34956e90c187c9ab5c0dae";
   };
 
   propagatedBuildInputs = [