diff --git a/hardware-configuration/castle.nix b/hardware-configuration/castle.nix
index 09f90be..2755a45 100644
--- a/hardware-configuration/castle.nix
+++ b/hardware-configuration/castle.nix
@@ -15,6 +15,17 @@
   boot.kernelModules = [ "kvm-amd" ];
   boot.extraModulePackages = [ ];
 
+  hardware.opengl = {
+    enable = true;
+    driSupport = true;
+    driSupport32Bit = true;
+    extraPackages = with pkgs; [ amdvlk ];
+  };
+
+  environment.systemPackages = with pkgs; [ lact ];
+  systemd.packages = with pkgs; [ lact ];
+  systemd.services.lactd.wantedBy = [ "multi-user.target" ];
+
   system.fsPackages = [ pkgs.bindfs pkgs.cifs-utils ];
   fileSystems."/nas" =
     {