diff --git a/variables.nix b/variables.nix
index 4d0595e..9802a8a 100644
--- a/variables.nix
+++ b/variables.nix
@@ -44,13 +44,15 @@
   # host (modules/nix-cache/server.nix) — one per client host that's allowed
   # to use it as a distributed builder.
   remoteBuilderAuthorizedKeys = [
-    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFDEA1S2ikpObREgbP5uVBWMxIOGbY8B+Wx7VTZK1m6t root@server"
-    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPAYIT9ormlmxZ0SziyDQaUntnKI8HK9/s3Qac1ZKjP2 root@docker"
-    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKKKzoEPl/ZW9KBRHBcp6/ThOngGpwMv5EhkTlgC4aDf root@nixos"
-    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIGtOWOCS+ImHc7NehguoyD7PbonGosKMZqc9+QR3v/h root@nixos"
-    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHxXTQxFnArK5HXG7czeoybZebCGfxpUdusJkPn+BCSp root@server"
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIK+ioWPhHixlgCB9KIQ0QTHTz6A+Oo2F3uKiINLip5rO root@docker"
     "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICMJhrfFayLBG+gWtO6oAvgambw5nWWgztiTFEaaaVRH debian@surface"
     "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJEj26SL/emsVjW2YhRucJVp2kTz8WgcEQgjBEBLRikk root@claude"
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAII/rLceRhnDobVXQYiPceuhDHHvVjFQ1pc9A6un/eUlA root@server"
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHj11bLPpRzH2oslnwFzEvY9cSgfEFtSZbLQaDm4nZMK root@pxe-boot"
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIH4/Sesm8NYpj73R0cbGhI0Ubvz73vIVWAnbEDTlBTdh root@tor-relay"
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIBCFUUtePndW7pqtlawft1QCdHmBVs3O/c8EJO+RcXV root@tailscale-router"
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBZ9WKKAlP9Z7GQdgaZ1Xgw9C+vja2lqEZO5rJFpVqYN root@ha-server-1"
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEGNKlaaMckd8nLWNGz4B2QokXjnnIvM+rEUv+R6h0sp root@ha-server-2"
   ];
 
   # Admin SSH public key, authorized on the primary user of every host and