diff --git a/flake.lock b/flake.lock
index 5134ed1..f6cc797 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,12 +1,104 @@
 {
   "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flakey-profile": {
+      "locked": {
+        "lastModified": 1712898590,
+        "narHash": "sha256-FhGIEU93VHAChKEXx905TSiPZKga69bWl1VB37FK//I=",
+        "owner": "lf-",
+        "repo": "flakey-profile",
+        "rev": "243c903fd8eadc0f63d205665a92d4df91d42d9d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "lf-",
+        "repo": "flakey-profile",
+        "type": "github"
+      }
+    },
+    "lix": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1732056932,
+        "narHash": "sha256-3ubtSu0D+BUV5FKmBU7kTEXlI/okp/j1xC/ODC7LgTA=",
+        "rev": "b0d7a816135de1cd551b8a54f5497148bf59d81d",
+        "type": "tarball",
+        "url": "https://git.lix.systems/api/v1/repos/lix-project/lix/archive/b0d7a816135de1cd551b8a54f5497148bf59d81d.tar.gz?rev=b0d7a816135de1cd551b8a54f5497148bf59d81d"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://git.lix.systems/lix-project/lix/archive/main.tar.gz"
+      }
+    },
+    "lix-module": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "flakey-profile": "flakey-profile",
+        "lix": [
+          "neoidiosyn",
+          "lix"
+        ],
+        "nixpkgs": [
+          "neoidiosyn",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1731967274,
+        "narHash": "sha256-n6dPGRlMGdL8X5gviA6ZuRfUdbdD5KiNN/BpABA5YT0=",
+        "rev": "aa2846680fa9a2032939d720487942567fd9eb63",
+        "type": "tarball",
+        "url": "https://git.lix.systems/api/v1/repos/lix-project/nixos-module/archive/aa2846680fa9a2032939d720487942567fd9eb63.tar.gz?rev=aa2846680fa9a2032939d720487942567fd9eb63"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://git.lix.systems/lix-project/nixos-module/archive/main.tar.gz"
+      }
+    },
+    "neoidiosyn": {
+      "inputs": {
+        "lix": "lix",
+        "lix-module": "lix-module",
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1732131626,
+        "narHash": "sha256-4rcXnDcBBf5tqo/k5Q2TxrFi9gtV457OWGOrOUWKxd4=",
+        "ref": "refs/heads/main",
+        "rev": "5f677b240a2ea39a5fc4b2c1b95d928816a9a9ba",
+        "revCount": 1,
+        "type": "git",
+        "url": "https://woof.rip/mikael/neoidiosyn.git"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://woof.rip/mikael/neoidiosyn.git"
+      }
+    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1731531548,
-        "narHash": "sha256-sz8/v17enkYmfpgeeuyzniGJU0QQBfmAjlemAUYhfy8=",
+        "lastModified": 1731890469,
+        "narHash": "sha256-D1FNZ70NmQEwNxpSSdTXCSklBH1z2isPR84J6DQrJGs=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "24f0d4acd634792badd6470134c387a3b039dace",
+        "rev": "5083ec887760adfe12af64830a66807423a859a7",
         "type": "github"
       },
       "original": {
@@ -18,7 +110,22 @@
     },
     "root": {
       "inputs": {
-        "nixpkgs": "nixpkgs"
+        "neoidiosyn": "neoidiosyn"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
       }
     }
   },
diff --git a/flake.nix b/flake.nix
index 435c02b..200dbfd 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "Hardened Linux kernel";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    neoidiosyn.url = "git+https://woof.rip/mikael/neoidiosyn.git";
   };
 
   nixConfig = {
@@ -11,29 +11,29 @@
     extra-trusted-public-keys = [ "cache.kyouma.net:Frjwu4q1rnwE/MnSTmX9yx86GNA/z3p/oElGvucLiZg=" ];
   };
 
-  outputs = { self, nixpkgs, ... }@inputs: let
-    inherit (nixpkgs) lib;
+  outputs = { self, neoidiosyn, ... }@inputs: let
+    inherit (neoidiosyn) lib;
     packageWith = pkgs: args: pkgs.callPackage ./package.nix
       (if builtins.isPath args then import args else args);
   in {
     lib.kernel = import ./lib.nix { inherit lib; };
     packages = {
       riscv64-linux = let
-        package = packageWith nixpkgs.legacyPackages.riscv64-linux;
+        package = packageWith neoidiosyn.legacyPackages.riscv64-linux;
       in {
         default = package { };
         paravirt = package ./platform/paravirt.nix;
       };
 
       aarch64-linux = let
-        package = packageWith nixpkgs.legacyPackages.aarch64-linux;
+        package = packageWith neoidiosyn.legacyPackages.aarch64-linux;
       in {
         default = package { };
         paravirt = package ./platform/paravirt.nix;
       };
 
       x86_64-linux = let
-        package = packageWith nixpkgs.legacyPackages.x86_64-linux;
+        package = packageWith neoidiosyn.legacyPackages.x86_64-linux;
       in {
         default = package { };
         paravirt = package ./platform/paravirt.nix;
@@ -44,7 +44,7 @@
 
     devShells = lib.genAttrs [ "riscv64-linux" "aarch64-linux" "x86_64-linux" ] (system: {
       default = let
-        pkgs = nixpkgs.legacyPackages.${system};
+        pkgs = neoidiosyn.legacyPackages.${system};
       in pkgs.mkShell {
         packages = with pkgs; [ pkg-config ncurses.dev bison ];
         inputsFrom = [ self.packages.${system}.default ];
diff --git a/package.nix b/package.nix
index 546a327..964e7f0 100644
--- a/package.nix
+++ b/package.nix
@@ -2,7 +2,7 @@
   lib,
   stdenv,
   buildPackages,
-  llvmPackages_19,
+  llvmPackages,
   hostPlatform,
   fetchFromGitHub,
   buildEnv,
@@ -29,7 +29,7 @@
 }@args:
 
 lib.makeOverridable ({
-  llvmPackages ? llvmPackages_19,
+  llvmPackages ? llvmPackages,
   instSetArch ? hostPlatform.gccarch or null,
   platformConfig ? { },
   extraConfig ? { },