diff --git a/flake.lock b/flake.lock
index d463e7a..6a48a27 100644
--- a/flake.lock
+++ b/flake.lock
@@ -18,11 +18,11 @@
     },
     "nixos-unstable": {
       "locked": {
-        "lastModified": 1725448034,
-        "narHash": "sha256-YWbVeDERbIHAEQCtDtUunHYUNH31ReIdJIP8juXfdpM=",
+        "lastModified": 1726590405,
+        "narHash": "sha256-mDxHh5vQyBTjNKkp+l1/WL6cEDOjxyEQxv2c+dnw8Fg=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "9b40840066f93767bb528810ea7dc9caacd8997f",
+        "rev": "513193ba87b70f4d4e4d892f43fac30af286861b",
         "type": "github"
       },
       "original": {
diff --git a/nix/installer.nix b/nix/installer.nix
index 9e2e325..740567a 100644
--- a/nix/installer.nix
+++ b/nix/installer.nix
@@ -30,7 +30,8 @@
     pkgs.jq
     # for copying extra files of nixos-anywhere
     pkgs.rsync
-  ];
+    # alternative to nixos-generate-config
+  ] ++ lib.optional (pkgs.lib.versionAtLeast lib.version "24.11") pkgs.nixos-facter;
 
   imports = [
     ./nix-settings.nix