diff --git a/modules/traffic-stop-box/configuration.nix b/modules/traffic-stop-box/configuration.nix
index cc31a5f..39e72f8 100644
--- a/modules/traffic-stop-box/configuration.nix
+++ b/modules/traffic-stop-box/configuration.nix
@@ -1,10 +1,12 @@
-{ config, ... }:
+{ pkgs, config, ... }:
 
 {
   boot.tmp.useTmpfs = true;
 
   networking.hostName = "traffic-stop-box-${toString config.deployment-TLMS.systemNumber}"; # Define your hostname.
 
+  boot.kernelPackages = pkgs.linuxKernel.packages.linux_5_15;
+
   # Set your time zone.
   time.timeZone = "Europe/Berlin";