diff --git a/flake.lock b/flake.lock
index 4982df55f..b43caabe4 100644
--- a/flake.lock
+++ b/flake.lock
@@ -56,11 +56,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1736711425,
-        "narHash": "sha256-8hKhPQuMtXfJi+4lPvw3FBk/zSJVHeb726Zo0uF1PP8=",
+        "lastModified": 1737038063,
+        "narHash": "sha256-rMEuiK69MDhjz1JgbaeQ9mBDXMJ2/P8vmOYRbFndXsk=",
         "owner": "nix-community",
         "repo": "disko",
-        "rev": "f720e64ec37fa16ebba6354eadf310f81555cc07",
+        "rev": "bf0abfde48f469c256f2b0f481c6281ff04a5db2",
         "type": "github"
       },
       "original": {
@@ -181,11 +181,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1736819234,
-        "narHash": "sha256-deQVtIH4UJueELJqluAICUtX7OosD9paTP+5FgbiSwI=",
+        "lastModified": 1737162735,
+        "narHash": "sha256-5T+HkouTMGaRm0rh3kgD4Z1O7ONKfgjyoPQH5rSyreU=",
         "owner": "LnL7",
         "repo": "nix-darwin",
-        "rev": "bd921223ba7cdac346477d7ea5204d6f4736fcc6",
+        "rev": "87131f51f8256952d1a306b5521cedc2dc61aa08",
         "type": "github"
       },
       "original": {
@@ -201,11 +201,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1736652904,
-        "narHash": "sha256-8uolHABgroXqzs03QdulHp8H9e5kWQZnnhcda1MKbBM=",
+        "lastModified": 1737257306,
+        "narHash": "sha256-lEGgpA4kGafc76+Amnz+gh1L/cwUS2pePFlf22WEyh8=",
         "owner": "nix-community",
         "repo": "nix-index-database",
-        "rev": "271e5bd7c57e1f001693799518b10a02d1123b12",
+        "rev": "744d330659e207a1883d2da0141d35e520eb87bd",
         "type": "github"
       },
       "original": {
@@ -216,11 +216,11 @@
     },
     "nixos-facter-modules": {
       "locked": {
-        "lastModified": 1736877249,
-        "narHash": "sha256-zsBwbF7J5cy96+9/IoxJVxSB22lSyHpwqWjMSRJB6ZU=",
+        "lastModified": 1736931726,
+        "narHash": "sha256-aY55yiifyo1XPPpbpH0kWlV1g2dNGBlx6622b7OK8ks=",
         "owner": "nix-community",
         "repo": "nixos-facter-modules",
-        "rev": "8c92c91e7cc449796bedf772ec6373f61df38c07",
+        "rev": "fa11d87b61b2163efbb9aed7b7a5ae0299e5ab9c",
         "type": "github"
       },
       "original": {
@@ -231,11 +231,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1736881310,
-        "narHash": "sha256-5BlVeikKoJVrUXBdr1kSrcRQ8o20Kl+ZU2pEzpE5sUw=",
+        "lastModified": 1737357656,
+        "narHash": "sha256-QHIj+sTDAAaJTq4KewOVNFI1R0RrBxrHaSembpwx378=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "733994ea06585b76621073160e87b0bfac7fc5ae",
+        "rev": "e00a8dcebfc6ddc0bf1fdbed745f3384887b9f8f",
         "type": "github"
       },
       "original": {
@@ -351,11 +351,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1736808430,
-        "narHash": "sha256-wlgdf/n7bJMLBheqt1jmPoxJFrUP6FByKQFXuM9YvIk=",
+        "lastModified": 1737107480,
+        "narHash": "sha256-GXUE9+FgxoZU8v0p6ilBJ8NH7k8nKmZjp/7dmMrCv3o=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "553c7cb22fed19fd60eb310423fdc93045c51ba8",
+        "rev": "4c4fb93f18b9072c6fa1986221f9a3d7bf1fe4b6",
         "type": "github"
       },
       "original": {
@@ -371,11 +371,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1736810122,
-        "narHash": "sha256-29Mp0xa3jXF33Qu92hd/uPz1HZWBestpEKmgG4RyzCo=",
+        "lastModified": 1737334500,
+        "narHash": "sha256-B7GZrCLJ2ei3OHZOBddmq0b39/uq2mGzaB4jAhI6w7A=",
         "owner": "nix-community",
         "repo": "srvos",
-        "rev": "61cc2047ad1a4c52ef18d117ac8e6ccfc0e38ea5",
+        "rev": "db87013780628b2e8387a3b4ccd3bc7bda0af447",
         "type": "github"
       },
       "original": {
@@ -406,11 +406,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1736154270,
-        "narHash": "sha256-p2r8xhQZ3TYIEKBoiEhllKWQqWNJNoT9v64Vmg4q8Zw=",
+        "lastModified": 1737103437,
+        "narHash": "sha256-uPNWcYbhY2fjY3HOfRCR5jsfzdzemhfxLSxwjXYXqNc=",
         "owner": "numtide",
         "repo": "treefmt-nix",
-        "rev": "13c913f5deb3a5c08bb810efd89dc8cb24dd968b",
+        "rev": "d1ed3b385f8130e392870cfb1dbfaff8a63a1899",
         "type": "github"
       },
       "original": {
diff --git a/hosts/build01/default.nix b/hosts/build01/default.nix
index cb7d7b0aa..8fc10afcd 100644
--- a/hosts/build01/default.nix
+++ b/hosts/build01/default.nix
@@ -1,4 +1,4 @@
-{ inputs, ... }:
+{ inputs, pkgs, ... }:
 {
   imports = [
     inputs.self.nixosModules.cgroups
@@ -7,6 +7,8 @@
     inputs.srvos.nixosModules.hardware-hetzner-online-amd
   ];
 
+  boot.kernelPackages = pkgs.linuxKernel.packages.linux_6_12;
+
   nix.settings.max-jobs = 24;
 
   nixpkgs.hostPlatform.gcc.arch = "znver2";
diff --git a/hosts/build05/default.nix b/hosts/build05/default.nix
index c2b70a83b..0a7aa32e8 100644
--- a/hosts/build05/default.nix
+++ b/hosts/build05/default.nix
@@ -1,4 +1,4 @@
-{ inputs, ... }:
+{ inputs, pkgs, ... }:
 {
   imports = [
     inputs.self.nixosModules.cgroups
@@ -7,6 +7,8 @@
     inputs.srvos.nixosModules.hardware-hetzner-online-arm
   ];
 
+  boot.kernelPackages = pkgs.linuxKernel.packages.linux_6_12;
+
   nix.settings.max-jobs = 80;
 
   nixpkgs.hostPlatform.gcc.arch = "armv8-a";
diff --git a/modules/nixos/common/builder.nix b/modules/nixos/common/builder.nix
index 950b29df7..e11d520ac 100644
--- a/modules/nixos/common/builder.nix
+++ b/modules/nixos/common/builder.nix
@@ -9,7 +9,7 @@
   config = lib.mkIf (lib.hasPrefix "build" config.networking.hostName) {
     nix.gc.automatic = false;
 
-    boot.kernelPackages = pkgs.linuxKernel.packages.linux_6_6;
+    boot.kernelPackages = lib.mkDefault pkgs.linuxKernel.packages.linux_6_6;
 
     boot.zfs.package = pkgs.zfs_2_3;