diff --git a/pkgs/servers/mail/mailman/mailman-hyperkitty.nix b/pkgs/servers/mail/mailman/mailman-hyperkitty.nix
index 3b4708ca5a15..a60c5c07a509 100644
--- a/pkgs/servers/mail/mailman/mailman-hyperkitty.nix
+++ b/pkgs/servers/mail/mailman/mailman-hyperkitty.nix
@@ -6,14 +6,14 @@
 with python3.pkgs;
 buildPythonPackage rec {
   pname = "mailman-hyperkitty";
-  version = "1.2.0";
+  version = "1.2.1";
   format = "setuptools";
 
   disabled = pythonOlder "3.9";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-EQBx1KX3z/Wv3QAHOi+s/ihLOjpiupIQBYyE6IPbJto=";
+    sha256 = "sha256-+Nad+8bMtYKJbUCpppRXqhB1zdbvvFXTTHlwJLQLzDg=";
   };
 
   propagatedBuildInputs = [