diff --git a/nixos/modules/tasks/auto-upgrade.nix b/nixos/modules/tasks/auto-upgrade.nix
index e0ee31f716aa..f5747dda55f4 100644
--- a/nixos/modules/tasks/auto-upgrade.nix
+++ b/nixos/modules/tasks/auto-upgrade.nix
@@ -181,7 +181,7 @@ in {
           "nixpkgs=${cfg.channel}/nixexprs.tar.xz"
         ]
       else
-        [ "--flake ${cfg.flake}" ]);
+        [ "--refresh" "--flake ${cfg.flake}" ]);
 
     systemd.services.nixos-upgrade = {
       description = "NixOS Upgrade";