diff --git a/systems/x86_64-linux/nuc-nixos/default.nix b/systems/x86_64-linux/nuc-nixos/default.nix
index 2b1742c..aba9a52 100644
--- a/systems/x86_64-linux/nuc-nixos/default.nix
+++ b/systems/x86_64-linux/nuc-nixos/default.nix
@@ -101,6 +101,6 @@
   # #                     Boot                      # #
   # ###################################################
 
-  boot.kernelPackages = pkgs.linuxPackages_cachyos-server;
+  boot.kernelPackages = pkgs.linuxPackages_cachyos-server-lto-znver4;
 
 }
diff --git a/systems/x86_64-linux/steamdeck/boot.nix b/systems/x86_64-linux/steamdeck/boot.nix
index 6ce3b37..a0a4447 100755
--- a/systems/x86_64-linux/steamdeck/boot.nix
+++ b/systems/x86_64-linux/steamdeck/boot.nix
@@ -1,6 +1,6 @@
 { pkgs, ... }:
 let
-  kernel = pkgs.linuxPackages_cachyos;
+  kernel = pkgs.linuxPackages_cachyos-lto;
 in
 {
   # Configure bootloader with lanzaboot and secureboot