Flakes stable

modules/nixos/system/nix/default.nix

@@ -10,7 +10,7 @@
   };
   nixpkgs.overlays = import ../../../../overlays { inherit inputs pkgs; };
   nix = {
-    package = pkgs.nixFlakes;
+    package = pkgs.nixVersions.stable;
     extraOptions = ''
       experimental-features = nix-command flakes
       warn-dirty = false