diff --git a/hosts/ludwig/default.nix b/hosts/ludwig/default.nix
index 6c50afe..e754171 100644
--- a/hosts/ludwig/default.nix
+++ b/hosts/ludwig/default.nix
@@ -58,11 +58,15 @@
     config = {
       # Disable if you don't want unfree packages
       allowUnfree = true;
+      segger-jlink.acceptLicense = true;
+      permittedInsecurePackages = ["segger-jlink-qt4-794l"];
     };
   };
 
   networking.hostName = "ludwig";
 
+  services.udev.packages = [pkgs.segger-jlink];
+
   # environment.sessionVariables.QT_QPA_PLATFORM = "wayland";
   services.xserver.displayManager.gdm.enable = true;
   programs = {