diff --git a/nixos/boxes/foureighty/default.nix b/nixos/boxes/foureighty/default.nix
index 67f6fff6..d139b267 100644
--- a/nixos/boxes/foureighty/default.nix
+++ b/nixos/boxes/foureighty/default.nix
@@ -19,7 +19,7 @@
     ../../mercurial
   ];
 
-  boot.kernelPackages = pkgs.unstable.linuxPackages_latest;
+  boot.kernelPackages = pkgs.unstable.linuxPackages_latest_hardened;
 
   time.hardwareClockInLocalTime = true;
   time.timeZone = "Europe/London";