diff --git a/profiles/openssh.nix b/profiles/openssh.nix
index 78a25a2..d437cb2 100644
--- a/profiles/openssh.nix
+++ b/profiles/openssh.nix
@@ -1,13 +1,14 @@
 # SSH service configuration common to all hosts
-
-{ config, pkgs, lib, ... }:
-
 {
-
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
   services.openssh = {
-    enable = true;          # Enable the OpenSSH daemon.
+    enable = true; # Enable the OpenSSH daemon.
     permitRootLogin = "prohibit-password";
-    challengeResponseAuthentication = false;
+    kbdInteractiveAuthentication = false;
     passwordAuthentication = false;
     openFirewall = true;
     hostKeys = [
@@ -17,5 +18,4 @@
       }
     ];
   };
-
 }