@@ -234,13 +234,13 @@ in rec {
234234 nixUnstable = lib.lowPrio (callPackage common rec {
235235 pname = "nix";
236236 version = "2.4${suffix}";
237− suffix = "pre20210922_${lib.substring 0 7 src.rev}";
237+ suffix = "pre20211001_${lib.substring 0 7 src.rev}";
238238
239239 src = fetchFromGitHub {
240240 owner = "NixOS";
241241 repo = "nix";
242− rev = "bcd73ebf60bb9ba6cb09f8df4366d5474c16e4a4";
243− sha256 = "sha256-wRbz8c22tlRn2/va/yOoLJijdJn+JJqLRDPRlifaEEA=";
242+ rev = "4f496150eb4e0012914c11f0a3ff4df2412b1d09";
243+ sha256 = "00hxxk66f068588ymv60ygib6vgk7c97s9yia3qd561679rq3nsj";
244244 };
245245
246246 boehmgc = boehmgc_nixUnstable;