diff --git a/flake.lock b/flake.lock
index cbe0b51..2d3ad50 100644
--- a/flake.lock
+++ b/flake.lock
@@ -115,11 +115,11 @@
     },
     "master": {
       "locked": {
-        "lastModified": 1677105795,
-        "narHash": "sha256-YA4uTUU0Dle90ecS7rDGHSeYiEyiUuyshm4Q+wku7b4=",
+        "lastModified": 1677197206,
+        "narHash": "sha256-genGpC2jF/va2iHZ7i4pVODvOd+823i4LPeuNpwCJdM=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "7cec24480ea3f10690f752775fa52d693eb5ad6f",
+        "rev": "f9afd57302f342f7e72048ea77ed57aef61ffe48",
         "type": "github"
       },
       "original": {
@@ -180,11 +180,11 @@
         "nixpkgs-regression": "nixpkgs-regression"
       },
       "locked": {
-        "lastModified": 1677084200,
-        "narHash": "sha256-zDDFwMQktp1tjUHksSW7jB/4uLEmv7dl3/CDtq9kjMg=",
+        "lastModified": 1677172394,
+        "narHash": "sha256-SfiNwZ2nvCEpbH3fneFIZWp9lH3XFx4z+EjJ3rrxeJA=",
         "owner": "NixOS",
         "repo": "nix",
-        "rev": "4a921ba43b8ea9a37763cd4bd4bc491928cc55c2",
+        "rev": "b5bbf14b872c0accfae2373076fd1a25fae511ce",
         "type": "github"
       },
       "original": {
@@ -335,11 +335,11 @@
     },
     "stable": {
       "locked": {
-        "lastModified": 1676998680,
-        "narHash": "sha256-61gxdL3bqHWnRSiYq+sKWbSX6tuwaRnYfPvhpRK011s=",
+        "lastModified": 1677075010,
+        "narHash": "sha256-X+UmR1AkdR//lPVcShmLy8p1n857IGf7y+cyCArp8bU=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "a3d745e701c337e65ef467d5a9400d9336a303a1",
+        "rev": "c95bf18beba4290af25c60cbaaceea1110d0f727",
         "type": "github"
       },
       "original": {
diff --git a/systems/game-laptop/default.nix b/systems/game-laptop/default.nix
index ee38c63..2344531 100644
--- a/systems/game-laptop/default.nix
+++ b/systems/game-laptop/default.nix
@@ -39,10 +39,20 @@ inputs: {
     networkmanager.enable = true;
   };
   users = {
-    users."${settings.username}" = {
-      uid = 1000;
-      isNormalUser = true;
-      extraGroups = ["audio" "networkmanager"];
+    mutableUsers = false;
+    users = {
+      "${settings.username}" = {
+        useDefaultShell = true;
+        uid = 1000;
+        isNormalUser = true;
+        extraGroups = ["networkmanager" "audio"];
+        initialHashedPassword = "";
+      };
+      "root" = {
+        uid = 0;
+        home = "/root";
+        initialHashedPassword = "$6$KV00qSRKyx1hpZjX$kwzWN4UuQxHSFwA4vYtRTcYecQyR.Qelvvcr90ZfZ4y.LISUcx2PDHH9/7REwsoAHD./KlAnwlsm1hxeLoGpl/";
+      };
     };
   };
   hardware.bluetooth.enable = true;
diff --git a/systems/gerg-desktop/default.nix b/systems/gerg-desktop/default.nix
index a8a6f99..6a5c850 100644
--- a/systems/gerg-desktop/default.nix
+++ b/systems/gerg-desktop/default.nix
@@ -73,10 +73,22 @@ inputs: {
     bridges."bridge0".interfaces = ["eth0"];
   };
   #user managment
-  users.users."${settings.username}" = {
-    uid = 1000;
-    isNormalUser = true;
-    extraGroups = ["wheel" "audio"];
+  users = {
+    mutableUsers = false;
+    users = {
+      "${settings.username}" = {
+        useDefaultShell = true;
+        uid = 1000;
+        isNormalUser = true;
+        extraGroups = ["wheel" "audio"];
+        initialHashedPassword = "$6$hgiDFHEMVEA39Snj$Huxf2a/yd/gSO2ZwntxI5Z65c1kCf35lvbkA61knP5i5NLPuIy4cybBBv9lnd24LVR9sfi9Tss96VQdsGCQhq1";
+      };
+      "root" = {
+        uid = 0;
+        home = "/root";
+        initialHashedPassword = "$6$KV00qSRKyx1hpZjX$kwzWN4UuQxHSFwA4vYtRTcYecQyR.Qelvvcr90ZfZ4y.LISUcx2PDHH9/7REwsoAHD./KlAnwlsm1hxeLoGpl/";
+      };
+    };
   };
   boot = {
     initrd = {
diff --git a/systems/mom-laptop/default.nix b/systems/mom-laptop/default.nix
index c82a6a1..48b72cf 100644
--- a/systems/mom-laptop/default.nix
+++ b/systems/mom-laptop/default.nix
@@ -34,10 +34,22 @@ inputs: {
     networkmanager.enable = true;
   };
   boot.kernelPackages = pkgs.linuxPackages_latest;
-  users.users."${settings.username}" = {
-    uid = 1000;
-    isNormalUser = true;
-    extraGroups = ["audio" "networkmanager"];
+  users = {
+    mutableUsers = false;
+    users = {
+      "${settings.username}" = {
+        useDefaultShell = true;
+        uid = 1000;
+        isNormalUser = true;
+        extraGroups = ["networkmanager" "audio"];
+        initialHashedPassword = "";
+      };
+      "root" = {
+        uid = 0;
+        home = "/root";
+        initialHashedPassword = "$6$KV00qSRKyx1hpZjX$kwzWN4UuQxHSFwA4vYtRTcYecQyR.Qelvvcr90ZfZ4y.LISUcx2PDHH9/7REwsoAHD./KlAnwlsm1hxeLoGpl/";
+      };
+    };
   };
   boot = {
     initrd.availableKernelModules = ["xhci-pci" "ehci-pci" "ahci" "usbhid" "sd_mod" "sr_mod" "rtsx_usb_sdmmc"];