1 files changed, 6 insertions, 0 deletions
diff --git a/pkgs/servers/mail/mailman/hyperkitty.nix b/pkgs/servers/mail/mailman/hyperkitty.nix
index c10f2c1ba75..2b8959a8f37 100644
--- a/pkgs/servers/mail/mailman/hyperkitty.nix
+++ b/pkgs/servers/mail/mailman/hyperkitty.nix
@@ -24,6 +24,12 @@ buildPythonPackage rec {
       sha256 = "sha256-5XCrvyrDEqH3JryPMoOXSlVVDLQ+PdYBqwGYxkExdvk=";
       includes = [ "hyperkitty/*" ];
     })
+
+    # Fix for Python >=3.9.13
+    (fetchpatch {
+      url = "https://gitlab.com/mailman/hyperkitty/-/commit/3efe7507944dbdbfcfa4c182d332528712476b28.patch";
+      sha256 = "sha256-yXuhTbmfDiYEXEsnz+zp+xLHRqI4GtkOhGHN+37W0iQ=";
+    })
   ];
 
   postPatch = ''