diff --git a/nixos/roles/laminar/test-config.nix b/nixos/roles/laminar/test-config.nix
index 63a0399d..36e1831b 100644
--- a/nixos/roles/laminar/test-config.nix
+++ b/nixos/roles/laminar/test-config.nix
@@ -64,7 +64,7 @@ in {
   ];
   systemd.services = {
     update-config = {
-      path = [pkgs.git pkgs.nix pkgs.openssh pkgs.nixos-rebuild pkgs.home-manager];
+      path = [pkgs.git pkgs.nix pkgs.openssh pkgs.nixos-rebuild pkgs.home-manager pkgs.builders-configurator];
       restartIfChanged = false;
       unitConfig.X-StopOnRemoval = false;
       serviceConfig = {
@@ -74,8 +74,7 @@ in {
         user = "maralorn";
       in ''
         /run/wrappers/bin/sudo -u ${user} git -C /etc/nixos pull --ff-only
-        /run/wrappers/bin/sudo -u ${user} git -C /etc/nixos submodule update --init
-        nixos-rebuild switch
+        nixos-rebuild switch --builders @$(builders-configurator)
         /run/wrappers/bin/sudo -u ${user} /nix/var/nix/profiles/per-user/maralorn/profile/bin/update-modes
       '';
     };