anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "balsa";
  -  version = "2.5.9";
  +  version = "2.6.1";
   
     src = fetchurl {
       url = "https://pawsa.fedorapeople.org/balsa/${pname}-${version}.tar.bz2";
  -    sha256 = "19gs1qfvbk9qx4rjmgrmvid00kl9k153zjjx8zjii2lz09w7g19i";
  +    sha256 = "1xkxx801p7sbfkn0bh3cz85wra4xf1z1zhjqqc80z1z1nln7fhb4";
     };
   
     nativeBuildInputs = [
  
positive.code: { stdenv
  , fetchurl
  , glib
  , gmime
  , gnutls
  , gobject-introspection
  , gpgme
  
negative.code: , intltool
  , libcanberra-gtk3
  , libesmtp
  , libical
  , libnotify
  , libsecret
  , openssl
  