diff --git a/host/fw/default.nix b/host/fw/default.nix
index 5ac522c..a159bf3 100644
--- a/host/fw/default.nix
+++ b/host/fw/default.nix
@@ -23,6 +23,9 @@
     ./hardware-configuration.nix
   ];
 
+  services.pcscd.enable = true;
+  services.udev.packages = [ pkgs.yubikey-personalization ];
+
   # https://github.com/NixOS/nixos-hardware/issues/1603
   services.pipewire.wireplumber.extraConfig.no-ucm = {
     "monitor.alsa.properties" = {