diff --git a/flake.lock b/flake.lock
index 374a65c..6ec8be7 100644
--- a/flake.lock
+++ b/flake.lock
@@ -44,6 +44,38 @@
         "type": "github"
       }
     },
+    "cachyos-kernel": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1781883168,
+        "narHash": "sha256-raAojJGk0aWdscfFn/9ikZ6V5oUuAZcAz5kjAZ2QN3E=",
+        "owner": "CachyOS",
+        "repo": "linux-cachyos",
+        "rev": "daed450e9b1a4fadfef68fb4fa5e2f3391fedb34",
+        "type": "github"
+      },
+      "original": {
+        "owner": "CachyOS",
+        "repo": "linux-cachyos",
+        "type": "github"
+      }
+    },
+    "cachyos-kernel-patches": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1781879636,
+        "narHash": "sha256-vNTtJIee7GrrUY93UwQ/x2yFkwI4IpHPiyc3kXfVflo=",
+        "owner": "CachyOS",
+        "repo": "kernel-patches",
+        "rev": "5e818fcbf2eb8de573c9270295ce9f5215973303",
+        "type": "github"
+      },
+      "original": {
+        "owner": "CachyOS",
+        "repo": "kernel-patches",
+        "type": "github"
+      }
+    },
     "cf": {
       "locked": {
         "lastModified": 1756852014,
@@ -128,6 +160,22 @@
       }
     },
     "flake-compat_2": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1767039857,
+        "narHash": "sha256-vNpUSpF5Nuw8xvDLj2KCwwksIbjua2LZCqhV1LNRDns=",
+        "owner": "NixOS",
+        "repo": "flake-compat",
+        "rev": "5edf11c44bc78a0d334f6334cdaf7d60d732daab",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-compat_3": {
       "flake": false,
       "locked": {
         "lastModified": 1627913399,
@@ -164,6 +212,24 @@
         "type": "github"
       }
     },
+    "flake-parts_2": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib"
+      },
+      "locked": {
+        "lastModified": 1778716662,
+        "narHash": "sha256-m1Yf0wZ8j1OHjTc2UwHwyQRSnNeSgLJOd7q5Y45hzi4=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "f7c1a2d347e4c52d5fb8d10cb4d94b5884e546fb",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
     "flake-utils": {
       "inputs": {
         "systems": "systems_2"
@@ -280,6 +346,28 @@
         "type": "github"
       }
     },
+    "nix-cachyos-kernel": {
+      "inputs": {
+        "cachyos-kernel": "cachyos-kernel",
+        "cachyos-kernel-patches": "cachyos-kernel-patches",
+        "flake-compat": "flake-compat_2",
+        "flake-parts": "flake-parts_2",
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1781896647,
+        "narHash": "sha256-xlHqfEa3ZwgD477tn3wF1DEv7KgppmDaSLss44dbjmQ=",
+        "owner": "xddxdd",
+        "repo": "nix-cachyos-kernel",
+        "rev": "8bf6af7fd57d129ec00d06e399e01cb6f97a97e8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "xddxdd",
+        "repo": "nix-cachyos-kernel",
+        "type": "github"
+      }
+    },
     "nix-flatpak": {
       "locked": {
         "lastModified": 1767983141,
@@ -362,20 +450,35 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1781577229,
-        "narHash": "sha256-lrp67w8AulE9Ks53n27I45ADSzbOCn4H+CNW1Ck8B+8=",
+        "lastModified": 1781836206,
+        "narHash": "sha256-BGjXqZOcLbkjwt8smyUskR8hNl7piTg8ccpQdSTw09s=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "567a49d1913ce81ac6e9582e3553dd90a955875f",
+        "rev": "d4fea6b6bfce7b55c6df36fb973205b89d7fe761",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-unstable",
+        "ref": "nixos-unstable-small",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
+    "nixpkgs-lib": {
+      "locked": {
+        "lastModified": 1777168982,
+        "narHash": "sha256-GOkGPcboWE9BmGCRMLX3worL4EMnsnG8MyKmXNeYuhQ=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "f5901329dade4a6ea039af1433fb087bd9c1fe14",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
     "nixpkgs-linuxeol": {
       "locked": {
         "lastModified": 1776914381,
@@ -392,6 +495,22 @@
         "type": "github"
       }
     },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1781577229,
+        "narHash": "sha256-lrp67w8AulE9Ks53n27I45ADSzbOCn4H+CNW1Ck8B+8=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "567a49d1913ce81ac6e9582e3553dd90a955875f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "ntfsplus": {
       "inputs": {
         "linux-ntfs": "linux-ntfs",
@@ -415,7 +534,7 @@
     },
     "peerix": {
       "inputs": {
-        "flake-compat": "flake-compat_2",
+        "flake-compat": "flake-compat_3",
         "flake-utils": "flake-utils_2",
         "nixpkgs": [
           "nixpkgs"
@@ -488,11 +607,12 @@
         "claude-code": "claude-code",
         "home-manager": "home-manager",
         "lanzaboote": "lanzaboote",
+        "nix-cachyos-kernel": "nix-cachyos-kernel",
         "nix-flatpak": "nix-flatpak",
         "nix-skills": "nix-skills",
         "nix-sweep": "nix-sweep",
         "nixos-hardware": "nixos-hardware",
-        "nixpkgs": "nixpkgs",
+        "nixpkgs": "nixpkgs_2",
         "nixpkgs-linuxeol": "nixpkgs-linuxeol",
         "ntfsplus": "ntfsplus",
         "peerix": "peerix",
diff --git a/flake.nix b/flake.nix
index 63302a9..8309b57 100644
--- a/flake.nix
+++ b/flake.nix
@@ -46,6 +46,7 @@
       url = "github:sudosubin/nix-skills";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    nix-cachyos-kernel.url = "github:xddxdd/nix-cachyos-kernel";
     bun2nix = {
       url = "github:nix-community/bun2nix";
       inputs.nixpkgs.follows = "nixpkgs";
diff --git a/hosts/acer.nix b/hosts/acer.nix
index 53930d1..31d16d2 100644
--- a/hosts/acer.nix
+++ b/hosts/acer.nix
@@ -1,4 +1,4 @@
-{ lib, pkgs, nixpkgs-linuxeol, ... }:
+{ config, lib, pkgs, nixpkgs-linuxeol, ... }:
 
 rec {
   # Identity
@@ -23,8 +23,8 @@ rec {
 
   # Kernel
   # boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usb_storage" "sd_mod" "rtsx_pci_sdmmc" ];
-  boot.kernelPackages = pkgs.linuxKernel.packages.linux_7_0;
-  boot.zfs.package = pkgs.zfs_2_4;
+  boot.kernelPackages = pkgs.cachyosKernels.linuxPackages-cachyos-latest;
+  boot.zfs.package = config.boot.kernelPackages.zfs_cachyos;
 
   # Swap
   swapDevices = [
diff --git a/lib/mkNixosSystem.nix b/lib/mkNixosSystem.nix
index d8f10e9..d074f5d 100644
--- a/lib/mkNixosSystem.nix
+++ b/lib/mkNixosSystem.nix
@@ -13,6 +13,7 @@
   nix-skills,
   nixpkgs-linuxeol,
   bun2nix,
+  nix-cachyos-kernel,
   ...
 }:
 hardwareConfig: hostConfig:
@@ -32,6 +33,7 @@ nixpkgs.lib.nixosSystem {
         claude-code.overlays.default
         acer-wmi-ext.overlays.default
         nix-skills.overlays.default
+        nix-cachyos-kernel.overlays.pinned
       ] ++ (import ../overlays/pkgs.nix { inherit bun2nix; });
       nix.settings = {
         substituters = [ "https://claude-code.cachix.org" ];