diff --git a/nixos/tests/cagebreak.nix b/nixos/tests/cagebreak.nix
index 799535eecef6..1fef7cb57cfc 100644
--- a/nixos/tests/cagebreak.nix
+++ b/nixos/tests/cagebreak.nix
@@ -33,7 +33,7 @@ in
 
     hardware.opengl.enable = true;
     programs.xwayland.enable = true;
-    services.udisks2.enable = true;
+    security.polkit.enable = true;
     environment.systemPackages = [ pkgs.cagebreak pkgs.wayland-utils ];
 
     # Need to switch to a different GPU driver than the default one (-vga std) so that Cagebreak can launch: