@ -1,7 +1,9 @@
{ stdenv, fetchurl, perl }:
stdenv.mkDerivation rec {
name = "rt-4.2.12";
name = "rt-${version}";
version = "4.2.12";
src = fetchurl {
url = "https://download.bestpractical.com/pub/rt/release/${name}.tar.gz";