diff --git a/flake.lock b/flake.lock
index 43ce9fd..2e14740 100755
--- a/flake.lock
+++ b/flake.lock
@@ -196,16 +196,16 @@
     },
     "desktop-nixpkgs": {
       "locked": {
-        "lastModified": 1747327360,
-        "narHash": "sha256-LSmTbiq/nqZR9B2t4MRnWG7cb0KVNU70dB7RT4+wYK4=",
+        "lastModified": 1747542820,
+        "narHash": "sha256-GaOZntlJ6gPPbbkTLjbd8BMWaDYafhuuYRNrxCGnPJw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "e06158e58f3adee28b139e9c2bcfcc41f8625b46",
+        "rev": "292fa7d4f6519c074f0a50394dbbe69859bb6043",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-unstable-small",
+        "ref": "nixos-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/hosts/pi4/configuration.nix b/hosts/pi4/configuration.nix
index db21923..ca2d6df 100755
--- a/hosts/pi4/configuration.nix
+++ b/hosts/pi4/configuration.nix
@@ -19,9 +19,17 @@ in
   ];
   programs.zsh.enable = true;
 
-  services.hardware.argonone = {
-    enable = true;
-    package = pkgs.argononed;
+  services = {
+    hardware.argonone = {
+      enable = true;
+      package = pkgs.argononed;
+    };
+    openssh = {
+      enable = true;
+      authorizedKeysFiles = [
+        config.sops.secrets."ssh-keys-public/pi5".path
+      ];
+    };
   };
 
   systemd.services.btattach = {
diff --git a/hosts/pi4/home.nix b/hosts/pi4/home.nix
index f836324..4cabae2 100755
--- a/hosts/pi4/home.nix
+++ b/hosts/pi4/home.nix
@@ -39,25 +39,25 @@ in
        path = "/home/matt/.ssh/id_ed25519";
        mode = "0600";
      };
-     "ssh-keys-public/desktop-nixos" = {
-       path = "/home/matt/.ssh/authorized_keys";
-       mode = "0600";
-     };
+#     "ssh-keys-public/desktop-nixos" = {
+#       path = "/home/matt/.ssh/authorized_keys";
+#       mode = "0600";
+#     };
 
-     "ssh-keys-public/desktop-nixos-root" = {
-       path = "/home/matt/.ssh/authorized_keys2";
-       mode = "0600";
-     };
+#     "ssh-keys-public/desktop-nixos-root" = {
+#       path = "/home/matt/.ssh/authorized_keys2";
+#       mode = "0600";
+#     };
 
-     "ssh-keys-public/desktop-windows" = {
-       path = "/home/matt/.ssh/authorized_keys3";
-       mode = "0600";
-     };
+#     "ssh-keys-public/desktop-windows" = {
+#       path = "/home/matt/.ssh/authorized_keys3";
+#       mode = "0600";
+#     };
 
-     "ssh-keys-public/macbook-macos" = {
-       path = "/home/matt/.ssh/authorized_keys4";
-       mode = "0600";
-     };
+#     "ssh-keys-public/macbook-macos" = {
+#       path = "/home/matt/.ssh/authorized_keys4";
+#       mode = "0600";
+#     };
    };
  };
 
diff --git a/hosts/pi4/impermanence.nix b/hosts/pi4/impermanence.nix
index a119696..6dff37e 100755
--- a/hosts/pi4/impermanence.nix
+++ b/hosts/pi4/impermanence.nix
@@ -24,7 +24,7 @@
     ];
    files = [
      "/etc/machine-id"
-     { file = "/etc/nix/id_rsa"; parentDirectory = { mode = "u=rwx,g=,o="; }; }
+     #{ file = "/etc/nix/id_rsa"; parentDirectory = { mode = "u=rwx,g=,o="; }; }
    ];
   };
 
diff --git a/hosts/pi4/sops.nix b/hosts/pi4/sops.nix
index 9f83aa7..4ca93cd 100755
--- a/hosts/pi4/sops.nix
+++ b/hosts/pi4/sops.nix
@@ -35,6 +35,9 @@ in
         group = config.users.users."${user}".group;
         restartUnits = [ "sshd.service" ];
       };
+      "ssh-keys-public/pi5" = {
+        neededForUsers = true;
+      };
     };
   };
 }
diff --git a/share/disko/disko.nix b/share/disko/disko.nix
index 364fbc8..f11eeab 100644
--- a/share/disko/disko.nix
+++ b/share/disko/disko.nix
@@ -1,6 +1,6 @@
 { ... }:
 let
-  rootDisk = "/dev/nvme0n1";
+  rootDisk = "/dev/sda";
 in
 {
   disko.devices.disk.main.imageSize = "32G";
@@ -84,4 +84,4 @@ in
       };
     };
   };
-}
\ No newline at end of file
+}