diff --git a/README.md b/README.md
index d5522be..07deff4 100644
--- a/README.md
+++ b/README.md
@@ -447,6 +447,7 @@ Some references to websites that helped me create this repository:
 ## TODOs
 
 * Nitrokey LUKS unlock
+  * Yubikey LUKS: https://nixos.wiki/wiki/Yubikey_based_Full_Disk_Encryption_(FDE)_on_NixOS
   * Yubikey LUKS: https://github.com/georgewhewell/nixos-host/blob/master/profiles/luks-yubi.nix
   * Old wiki entry, initramfs smartcard LUKS unlock: https://wiki.ubuntu.com/SmartCardLUKSDiskEncryption#SmartCard_Setup
 * Nitrokey PAM log-in