diff --git a/stylix/testbed.nix b/stylix/testbed.nix
index d060e07c..325bf993 100644
--- a/stylix/testbed.nix
+++ b/stylix/testbed.nix
@@ -8,8 +8,11 @@ let
       description = "Guest";
       hashedPassword = "";
       isNormalUser = true;
+      extraGroups = [ "wheel" ];
     };
 
+    security.sudo.wheelNeedsPassword = false;
+
     # The state version can safely track the latest release because the disk
     # image is ephermal.
     system.stateVersion = config.system.nixos.release;