diff --git a/flake.lock b/flake.lock
index 7165057..5747029 100644
--- a/flake.lock
+++ b/flake.lock
@@ -19,16 +19,16 @@
     "brew-src": {
       "flake": false,
       "locked": {
-        "lastModified": 1761551821,
-        "narHash": "sha256-N3Zj73TAxclhLGgADbPVwcVrhYIBKUgAxjfQuOXre6s=",
+        "lastModified": 1763638478,
+        "narHash": "sha256-n/IMowE9S23ovmTkKX7KhxXC2Yq41EAVFR2FBIXPcT8=",
         "owner": "Homebrew",
         "repo": "brew",
-        "rev": "8f6719274133c5bcc24c058c5a6bcbb3b0cd48b3",
+        "rev": "fbfdbaba008189499958a7aeb1e2c36ab10c067d",
         "type": "github"
       },
       "original": {
         "owner": "Homebrew",
-        "ref": "4.6.19",
+        "ref": "5.0.3",
         "repo": "brew",
         "type": "github"
       }
@@ -41,11 +41,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1761825061,
-        "narHash": "sha256-AeRQZKr8+1XQer+WmbwtQaQBy05UDgeNNE7YZjNLuS0=",
+        "lastModified": 1764098187,
+        "narHash": "sha256-H6JjWXhKqxZ8QLMoqndZx9e5x0Sv5AiipSmqvIxIbgo=",
         "owner": "k3d3",
         "repo": "claude-desktop-linux-flake",
-        "rev": "791cd93cfe216ad06ab740f0fdc142119b1d6ec2",
+        "rev": "b2b040cb68231d2118906507d9cc8fd181ca6308",
         "type": "github"
       },
       "original": {
@@ -98,16 +98,16 @@
         ]
       },
       "locked": {
-        "lastModified": 1762912391,
-        "narHash": "sha256-4hpBE7bGd24SfD28rzMdUGXsLsNEYxCCrTipFdoqoNM=",
+        "lastModified": 1764161084,
+        "narHash": "sha256-HN84sByg9FhJnojkGGDSrcjcbeioFWoNXfuyYfJ1kBE=",
         "owner": "lnl7",
         "repo": "nix-darwin",
-        "rev": "d76299b2cd01837c4c271a7b5186e3d5d8ebd126",
+        "rev": "e95de00a471d07435e0527ff4db092c84998698e",
         "type": "github"
       },
       "original": {
         "owner": "lnl7",
-        "ref": "nix-darwin-25.05",
+        "ref": "nix-darwin-25.11",
         "repo": "nix-darwin",
         "type": "github"
       }
@@ -119,11 +119,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1762276996,
-        "narHash": "sha256-TtcPgPmp2f0FAnc+DMEw4ardEgv1SGNR3/WFGH0N19M=",
+        "lastModified": 1764627417,
+        "narHash": "sha256-D6xc3Rl8Ab6wucJWdvjNsGYGSxNjQHzRc2EZ6eeQ6l4=",
         "owner": "nix-community",
         "repo": "disko",
-        "rev": "af087d076d3860760b3323f6b583f4d828c1ac17",
+        "rev": "5a88a6eceb8fd732b983e72b732f6f4b8269bef3",
         "type": "github"
       },
       "original": {
@@ -135,11 +135,11 @@
     "flake-compat": {
       "flake": false,
       "locked": {
-        "lastModified": 1696426674,
-        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "lastModified": 1747046372,
+        "narHash": "sha256-CIVLLkVgvHYbgI2UpXvIIBJ12HWgX+fjA8Xf8PUmqCY=",
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "rev": "9100a0f413b0c601e0533d1d94ffd501ce2e7885",
         "type": "github"
       },
       "original": {
@@ -167,11 +167,11 @@
     "flake-compat_3": {
       "flake": false,
       "locked": {
-        "lastModified": 1747046372,
-        "narHash": "sha256-CIVLLkVgvHYbgI2UpXvIIBJ12HWgX+fjA8Xf8PUmqCY=",
+        "lastModified": 1761588595,
+        "narHash": "sha256-XKUZz9zewJNUj46b4AJdiRZJAvSZ0Dqj2BNfXvFlJC4=",
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "9100a0f413b0c601e0533d1d94ffd501ce2e7885",
+        "rev": "f387cd2afec9419c8ee37694406ca490c3f34ee5",
         "type": "github"
       },
       "original": {
@@ -204,11 +204,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1730504689,
-        "narHash": "sha256-hgmguH29K2fvs9szpq2r3pz2/8cJd2LPS+b4tfNFCwE=",
+        "lastModified": 1754091436,
+        "narHash": "sha256-XKqDMN1/Qj1DKivQvscI4vmHfDfvYR2pfuFOJiCeewM=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "506278e768c2a08bec68eb62932193e341f55c90",
+        "rev": "67df8c627c2c39c41dbec76a1f201929929ab0bd",
         "type": "github"
       },
       "original": {
@@ -306,11 +306,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1742649964,
-        "narHash": "sha256-DwOTp7nvfi8mRfuL1escHDXabVXFGT1VlPD1JHrtrco=",
+        "lastModified": 1763319842,
+        "narHash": "sha256-YG19IyrTdnVn0l3DvcUYm85u3PaqBt6tI6VvolcuHnA=",
         "owner": "cachix",
         "repo": "git-hooks.nix",
-        "rev": "dcf5072734cb576d2b0c59b2ac44f5050b5eac82",
+        "rev": "7275fa67fbbb75891c16d9dee7d88e58aea2d761",
         "type": "github"
       },
       "original": {
@@ -370,16 +370,16 @@
         ]
       },
       "locked": {
-        "lastModified": 1758463745,
-        "narHash": "sha256-uhzsV0Q0I9j2y/rfweWeGif5AWe0MGrgZ/3TjpDYdGA=",
+        "lastModified": 1764613336,
+        "narHash": "sha256-L979az28t/+SXvYw9qhOno5HLlDwkZOpz6LzCLnjmRM=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "3b955f5f0a942f9f60cdc9cacb7844335d0f21c3",
+        "rev": "f3902b5d8767985680875ad86d028371100faeb3",
         "type": "github"
       },
       "original": {
         "owner": "nix-community",
-        "ref": "release-25.05",
+        "ref": "release-25.11",
         "repo": "home-manager",
         "type": "github"
       }
@@ -403,11 +403,11 @@
     "homebrew-cask": {
       "flake": false,
       "locked": {
-        "lastModified": 1763029535,
-        "narHash": "sha256-cpvUWuX4U4fUo6VfECVMEd3iTDWfCiUF17Z6z0NzSKI=",
+        "lastModified": 1764697524,
+        "narHash": "sha256-vGDAaGj59paiHyPgDSxpMjNcgNfdyx3v8/mjW/7t9yo=",
         "owner": "homebrew",
         "repo": "homebrew-cask",
-        "rev": "05aac09b912fe81b5b2ba83fc03a3c1a8c9749a0",
+        "rev": "712d19b5e791fa0c0dedc392d6e1292d6ff45749",
         "type": "github"
       },
       "original": {
@@ -419,11 +419,11 @@
     "homebrew-core": {
       "flake": false,
       "locked": {
-        "lastModified": 1763027420,
-        "narHash": "sha256-7/pKvDh2egiqr12l4gmWyJ5gC2mVg8pIhYORJ4XwDZU=",
+        "lastModified": 1764696107,
+        "narHash": "sha256-8XSvQearcQ7iQKggD7++/aNCvjqMeVoeM13CIFUYOvU=",
         "owner": "homebrew",
         "repo": "homebrew-core",
-        "rev": "a298c82d42310ec70d22b51cb0c2d7fcb846771b",
+        "rev": "c2f5a91be76c13f376f08e8eee050a7786681a42",
         "type": "github"
       },
       "original": {
@@ -448,16 +448,16 @@
         ]
       },
       "locked": {
-        "lastModified": 1737639419,
-        "narHash": "sha256-AEEDktApTEZ5PZXNDkry2YV2k6t0dTgLPEmAZbnigXU=",
+        "lastModified": 1762205063,
+        "narHash": "sha256-If6vQ+KvtKs3ARBO9G3l+4wFSCYtRBrwX1z+I+B61wQ=",
         "owner": "nix-community",
         "repo": "lanzaboote",
-        "rev": "a65905a09e2c43ff63be8c0e86a93712361f871e",
+        "rev": "88b8a563ff5704f4e8d8e5118fb911fa2110ca05",
         "type": "github"
       },
       "original": {
         "owner": "nix-community",
-        "ref": "v0.4.2",
+        "ref": "v0.4.3",
         "repo": "lanzaboote",
         "type": "github"
       }
@@ -506,11 +506,11 @@
         "brew-src": "brew-src"
       },
       "locked": {
-        "lastModified": 1761927470,
-        "narHash": "sha256-KsFDGRGD8j1R6TvJ4HkebKsh3HXLY0XazanLrhO3wqE=",
+        "lastModified": 1764473698,
+        "narHash": "sha256-C91gPgv6udN5WuIZWNehp8qdLqlrzX6iF/YyboOj6XI=",
         "owner": "zhaofengli-wip",
         "repo": "nix-homebrew",
-        "rev": "3cae36b3a17b09a66435291619dce8cf2c4728ca",
+        "rev": "6a8ab60bfd66154feeaa1021fc3b32684814a62a",
         "type": "github"
       },
       "original": {
@@ -521,11 +521,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1762847253,
-        "narHash": "sha256-BWWnUUT01lPwCWUvS0p6Px5UOBFeXJ8jR+ZdLX8IbrU=",
+        "lastModified": 1764440730,
+        "narHash": "sha256-ZlJTNLUKQRANlLDomuRWLBCH5792x+6XUJ4YdFRjtO4=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "899dc449bc6428b9ee6b3b8f771ca2b0ef945ab9",
+        "rev": "9154f4569b6cdfd3c595851a6ba51bfaa472d9f3",
         "type": "github"
       },
       "original": {
@@ -551,50 +551,18 @@
         "type": "github"
       }
     },
-    "nixpkgs-25_05": {
-      "locked": {
-        "lastModified": 1747610100,
-        "narHash": "sha256-rpR5ZPMkWzcnCcYYo3lScqfuzEw5Uyfh+R0EKZfroAc=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "ca49c4304acf0973078db0a9d200fd2bae75676d",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-25.05",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs-stable": {
-      "locked": {
-        "lastModified": 1730741070,
-        "narHash": "sha256-edm8WG19kWozJ/GqyYx2VjW99EdhjKwbY3ZwdlPAAlo=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "d063c1dd113c91ab27959ba540c0d9753409edf3",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-24.05",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1762756533,
-        "narHash": "sha256-HiRDeUOD1VLklHeOmaKDzf+8Hb7vSWPVFcWwaTrpm+U=",
+        "lastModified": 1764522689,
+        "narHash": "sha256-SqUuBFjhl/kpDiVaKLQBoD8TLD+/cTUzzgVFoaHrkqY=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "c2448301fb856e351aab33e64c33a3fc8bcf637d",
+        "rev": "8bb5646e0bed5dbd3ab08c7a7cc15b75ab4e1d0f",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
-        "ref": "nixos-25.05",
+        "ref": "nixos-25.11",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -609,15 +577,14 @@
         "nixpkgs": [
           "lanzaboote",
           "nixpkgs"
-        ],
-        "nixpkgs-stable": "nixpkgs-stable"
+        ]
       },
       "locked": {
-        "lastModified": 1731363552,
-        "narHash": "sha256-vFta1uHnD29VUY4HJOO/D6p6rxyObnf+InnSMT4jlMU=",
+        "lastModified": 1750779888,
+        "narHash": "sha256-wibppH3g/E2lxU43ZQHC5yA/7kIKLGxVEnsnVK1BtRg=",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "cd1af27aa85026ac759d5d3fccf650abe7e1bbf0",
+        "rev": "16ec914f6fb6f599ce988427d9d94efddf25fe6d",
         "type": "github"
       },
       "original": {
@@ -674,11 +641,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1763001554,
-        "narHash": "sha256-wsfhRTuxu6f06RMmP4JWcq3wWRlmYtQaJZ6b3f+EJ94=",
+        "lastModified": 1764643237,
+        "narHash": "sha256-6Ezx9DqVv5UZ7DBK9rcNwBuQUENFyWPS7M09I+FvNao=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "315d97eb753cee8e1aa039a5e622b84d32a454bb",
+        "rev": "e66d6b924ac59e6c722f69332f6540ea57c69233",
         "type": "github"
       },
       "original": {
@@ -694,20 +661,19 @@
         "git-hooks": "git-hooks",
         "nixpkgs": [
           "nixpkgs"
-        ],
-        "nixpkgs-25_05": "nixpkgs-25_05"
+        ]
       },
       "locked": {
-        "lastModified": 1755110674,
-        "narHash": "sha256-PigqTAGkdBYXVFWsJnqcirrLeFqRFN4PFigLA8FzxeI=",
+        "lastModified": 1764185122,
+        "narHash": "sha256-+HUOwSIFLoyett2cvRjuFIbhobpHallfP9J2cia1apo=",
         "owner": "simple-nixos-mailserver",
         "repo": "nixos-mailserver",
-        "rev": "f5936247dbdb8501221978562ab0b302dd75456c",
+        "rev": "a14fe3b293ec2720e5b7fc72ad136d22967e12ba",
         "type": "gitlab"
       },
       "original": {
         "owner": "simple-nixos-mailserver",
-        "ref": "nixos-25.05",
+        "ref": "nixos-25.11",
         "repo": "nixos-mailserver",
         "type": "gitlab"
       }
@@ -741,11 +707,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1763023272,
-        "narHash": "sha256-TCVNCn/GcKhwm+WlSJEZEPW4ISQdU9ICIU3lTiOLBYc=",
+        "lastModified": 1764483358,
+        "narHash": "sha256-EyyvCzXoHrbL467YSsQBTWWg4sR96MH1sPpKoSOelB4=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "b80c966e70fa0615352c9596315678df1de75801",
+        "rev": "5aca6ff67264321d47856a2ed183729271107c9c",
         "type": "github"
       },
       "original": {
@@ -801,11 +767,11 @@
     },
     "unstable": {
       "locked": {
-        "lastModified": 1762844143,
-        "narHash": "sha256-SlybxLZ1/e4T2lb1czEtWVzDCVSTvk9WLwGhmxFmBxI=",
+        "lastModified": 1764517877,
+        "narHash": "sha256-pp3uT4hHijIC8JUK5MEqeAWmParJrgBVzHLNfJDZxg4=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "9da7f1cf7f8a6e2a7cb3001b048546c92a8258b4",
+        "rev": "2d293cbfa5a793b4c50d17c05ef9e385b90edf6c",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 28eb7ef..7effe25 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "Harald Hoyer's Nix Configurations";
 
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/nixos-25.05";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-25.11";
 
     # NixPkgs Unstable (nixos-unstable)
     unstable.url = "github:nixos/nixpkgs/nixos-unstable";
@@ -19,7 +19,7 @@
     };
 
     lanzaboote = {
-      url = "github:nix-community/lanzaboote/v0.4.2";
+      url = "github:nix-community/lanzaboote/v0.4.3";
       inputs.nixpkgs.follows = "nixpkgs";
       inputs.crane.follows = "crane";
       inputs.rust-overlay.follows = "rust-overlay";
@@ -31,7 +31,7 @@
     };
 
     # macOS Support (master)
-    darwin.url = "github:lnl7/nix-darwin/nix-darwin-25.05";
+    darwin.url = "github:lnl7/nix-darwin/nix-darwin-25.11";
     darwin.inputs.nixpkgs.follows = "nixpkgs";
 
     nix-homebrew.url = "github:zhaofengli-wip/nix-homebrew";
@@ -48,7 +48,7 @@
       flake = false;
     };
 
-    home-manager.url = "github:nix-community/home-manager/release-25.05";
+    home-manager.url = "github:nix-community/home-manager/release-25.11";
     home-manager.inputs.nixpkgs.follows = "nixpkgs";
 
     neovim-flake.url = "github:NotAShelf/nvf/";
@@ -60,7 +60,7 @@
     sops-nix.url = "github:Mic92/sops-nix";
     sops-nix.inputs.nixpkgs.follows = "nixpkgs";
 
-    simple-nixos-mailserver.url = "gitlab:simple-nixos-mailserver/nixos-mailserver/nixos-25.05";
+    simple-nixos-mailserver.url = "gitlab:simple-nixos-mailserver/nixos-mailserver/nixos-25.11";
     simple-nixos-mailserver.inputs.nixpkgs.follows = "nixpkgs";
 
     claude.url = "github:k3d3/claude-desktop-linux-flake";
diff --git a/modules/nixos/services/base/default.nix b/modules/nixos/services/base/default.nix
index 2bb08eb..6bead7e 100644
--- a/modules/nixos/services/base/default.nix
+++ b/modules/nixos/services/base/default.nix
@@ -189,7 +189,6 @@ in
 
     virtualisation.libvirtd = {
       enable = lib.mkDefault true;
-      qemuOvmf = true;
     };
 
     boot.tmp.useTmpfs = lib.mkDefault true;
diff --git a/modules/nixos/services/gui/default.nix b/modules/nixos/services/gui/default.nix
index 576ee73..5a48528 100644
--- a/modules/nixos/services/gui/default.nix
+++ b/modules/nixos/services/gui/default.nix
@@ -79,7 +79,6 @@ in
             #intel-vaapi-driver # LIBVA_DRIVER_NAME=i965 (older but works better for Firefox/Chromium)
             libvdpau-va-gl
             rocmPackages.clr.icd
-            amdvlk
           ]
         );
     };
@@ -181,7 +180,7 @@ in
     fonts = {
       enableDefaultPackages = false;
       packages = with pkgs; [
-        noto-fonts-emoji
+        noto-fonts-color-emoji
         liberation_ttf
         freefont_ttf
         nerd-fonts.fira-code
diff --git a/packages/nixos-hosts/default.nix b/packages/nixos-hosts/default.nix
index ba35ad0..aad2548 100644
--- a/packages/nixos-hosts/default.nix
+++ b/packages/nixos-hosts/default.nix
@@ -2,7 +2,7 @@
   lib,
   writeText,
   writeShellApplication,
-  substituteAll,
+  replaceVars,
   gum,
   inputs,
   hosts ? { },
@@ -13,8 +13,6 @@ let
   inherit (lib) mapAttrsToList concatStringsSep;
   inherit (lib.metacfg) override-meta;
 
-  substitute = args: builtins.readFile (substituteAll args);
-
   formatted-hosts = mapAttrsToList (name: host: "${name},${host.pkgs.system}") hosts;
 
   hosts-csv = writeText "hosts.csv" ''
@@ -25,9 +23,7 @@ let
   nixos-hosts = writeShellApplication {
     name = "nixos-hosts";
 
-    text = substitute {
-      src = ./nixos-hosts.sh;
-
+    text = replaceVars ./nixos-hosts.sh {
       help = ./help;
       hosts = if hosts == { } then "" else hosts-csv;
     };
diff --git a/systems/x86_64-linux/sgx/wyoming.nix b/systems/x86_64-linux/sgx/wyoming.nix
index 30e0f37..f8a4bff 100644
--- a/systems/x86_64-linux/sgx/wyoming.nix
+++ b/systems/x86_64-linux/sgx/wyoming.nix
@@ -18,7 +18,6 @@
     openwakeword = {
       enable = true;
       uri = "tcp://0.0.0.0:10400";
-      preloadModels = [ "hey_jarvis" ]; # or "hey_jarvis", "alexa", etc.
     };
   };