diff --git a/nixos/modules/yubikey.nix b/nixos/modules/yubikey.nix
index 12e6cc2..4c231f6 100644
--- a/nixos/modules/yubikey.nix
+++ b/nixos/modules/yubikey.nix
@@ -13,6 +13,9 @@
     libu2f-host
   ];
 
+  # CCID driver for smartcard access (required for YubiKey CCID functionality)
+  services.pcscd.plugins = [ pkgs.libccid ];
+
   # YubiKey management tools
   environment.systemPackages = with pkgs; [
     yubikey-manager          # ykman CLI