diff --git a/configuration.nix b/configuration.nix
index 725fbaa..2579747 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -375,6 +375,7 @@ in {
     autoUpgrade.enable = true;
     autoUpgrade = {
       allowReboot = true;
+      dates = "01:00";
       rebootWindow = {
         lower = "01:00";
         upper = "01:30";