diff --git a/system/hosts/Styx.nix b/system/hosts/Styx.nix
index 69468e9..b0b3253 100644
--- a/system/hosts/Styx.nix
+++ b/system/hosts/Styx.nix
@@ -16,6 +16,9 @@ in
     ../darwin/fake-homebrew.nix
   ];
 
+  system.stateVersion = 5;
+  ids.gids.nixbld = 30000;
+
   nix = {
     settings = {
       experimental-features = [ "nix-command" "flakes" ];