diff --git a/nix/os/devices/steveej-t480s-work/pkg.nix b/nix/os/devices/steveej-t480s-work/pkg.nix
index fa0e20a..20f6488 100644
--- a/nix/os/devices/steveej-t480s-work/pkg.nix
+++ b/nix/os/devices/steveej-t480s-work/pkg.nix
@@ -5,4 +5,5 @@
 {
   home-manager.users.steveej = import ../../../home-manager/configuration/graphical-fullblown.nix;
   services.teamviewer.enable = true;
+  system.stateVersion = "19.09";
 }