diff --git a/pkgs/servers/mail/mailman/postorius.nix b/pkgs/servers/mail/mailman/postorius.nix
index 5f542b9036eadf..ae797fa6cbc70f 100644
--- a/pkgs/servers/mail/mailman/postorius.nix
+++ b/pkgs/servers/mail/mailman/postorius.nix
@@ -4,11 +4,11 @@
 
 buildPythonPackage rec {
   pname = "postorius";
-  version = "1.3.2";
+  version = "1.3.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0wrm0hda7ym9qaygxirqaaii66ndmgyy7gx8wqdg07pfx14zcyja";
+    sha256 = "08jn23gblbkfl09qlykbpsmp39mmach3sl69h1j5cd5kkx839rwa";
   };
 
   propagatedBuildInputs = [ django-mailman3 readme_renderer ];