diff --git a/configuration.nix b/configuration.nix
index 9e50519..b9ed85d 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -11,6 +11,7 @@
       ./modules/software.nix
       ./modules/users.nix
       ./modules/security.nix
+      ./modules/yubikey-first-login.nix
     ];
 
   # Bootloader.