diff --git a/systems/jeeves/runners/nix_builder.nix b/systems/jeeves/runners/nix_builder.nix
index 64a582d..08a8b5e 100644
--- a/systems/jeeves/runners/nix_builder.nix
+++ b/systems/jeeves/runners/nix_builder.nix
@@ -112,6 +112,7 @@ in
               user = "github-runners";
               group = "github-runners";
               extraPackages = with pkgs; [
+                busybox
                 nixfmt-rfc-style
                 nixos-rebuild
                 treefmt