diff --git a/.vscode/settings.json b/.vscode/settings.json
index c663d09..421e87a 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -131,6 +131,7 @@
     "overseerr",
     "pbmode",
     "pciutils",
+    "pcscd",
     "pdfjs",
     "peerconnection",
     "PESKYFOX",
@@ -215,6 +216,8 @@
     "wireshark",
     "xattr",
     "xhci",
+    "yubikey",
+    "yubioath",
     "yzhang",
     "zerotier",
     "zerotierone",
diff --git a/systems/bob/default.nix b/systems/bob/default.nix
index 7967b61..6ee08b4 100644
--- a/systems/bob/default.nix
+++ b/systems/bob/default.nix
@@ -13,6 +13,7 @@
     ../common/optional/syncthing_base.nix
     ../common/optional/systemd-boot.nix
     ../common/optional/zerotier.nix
+    ../common/optional/yubikey.nix
     ./hardware.nix
     ./nvidia.nix
   ];
diff --git a/systems/common/optional/yubikey.nix b/systems/common/optional/yubikey.nix
new file mode 100644
index 0000000..fc75b2b
--- /dev/null
+++ b/systems/common/optional/yubikey.nix
@@ -0,0 +1,6 @@
+{ pkgs, ... }:
+{
+  services.pcscd.enable = true;
+
+  environment.systemPackages = [ pkgs.yubioath-flutter ];
+}