diff --git a/hosts/lambda.nix b/hosts/lambda.nix
index 265afea..8076782 100644
--- a/hosts/lambda.nix
+++ b/hosts/lambda.nix
@@ -15,7 +15,8 @@
   # ssh-pubkey =
   #   "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPB5JY6jnHCRLxjqWKYkK8Xpmfyq2nA+0noPazYGd9a+";
   master-key = {
-    public-key = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOBr+kFxYjFp/BoaKT2SPV7aVTEspY/7bQ5RycElczGg";
+    public-key =
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOBr+kFxYjFp/BoaKT2SPV7aVTEspY/7bQ5RycElczGg";
     key-path = "/state/master-key/key";
   };
   enable-gui = false;
@@ -23,4 +24,5 @@
   nixos-system = true;
   machine-id = "c031cda2e88a4cedb3b22f41f9042646";
   # initrd-ip = "10.0.5.11";
+  hardened = true;
 }