updated to 25.11

flake.nix

@@ -2,11 +2,11 @@
   description = "NixOS + Home Manager config";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
     nixpkgs-unstable.url = "github:nixos/nixpkgs/nixpkgs-unstable";
 
     home-manager = {
-      url = "github:nix-community/home-manager/release-25.05";
+      url = "github:nix-community/home-manager/release-25.11";
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
@@ -19,12 +19,18 @@
       pkgs-unstable = import inputs.nixpkgs-unstable {
         system = system;
         config.allowUnfree = true;
+        config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+          "steam"
+          "steam-original"
+          "steam-unwrapped"
+          "steam-run"
+        ];
       };
     in
     {
       nixosConfigurations = {
         segfault-machine = lib.nixosSystem {
-          inherit system; # inherited it from 'let' block
+          inherit system; # inherited it from let block
 
           specialArgs = { inherit pkgs-unstable; };