updates

flake.nix

@@ -24,8 +24,8 @@
     };
     nixpkgs.url = "https://channels.nixos.org/nixpkgs-unstable/nixexprs.tar.xz";
     noctalia = {
-      url = "github:noctalia-dev/noctalia";
-      inputs.nixpkgs.follows = "nixpkgs";
+      url = "github:noctalia-dev/noctalia/cachix";
+      # Keep upstream's nixpkgs pin to match its cached builds.
     };
     sops-nix = {
       url = "github:Mic92/sops-nix";