diff --git a/configuration.nix b/configuration.nix
index a5a0e2a..39211d9 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -56,6 +56,7 @@ in {
     "${pkgs.nix}/bin/nix-channel --update";
 
   systemd.timers.nixos-upgrade.timerConfig.OnBootSec = "30m";
+  systemd.timers.nixos-upgrade.timerConfig.Persistent = true;
 
   system.stateVersion = "19.03";
   system.autoUpgrade.enable = true;