diff --git a/common.nix b/common.nix
index aef38ed..a6f39ee 100644
--- a/common.nix
+++ b/common.nix
@@ -90,6 +90,7 @@
   system.autoUpgrade = {
     enable = true;
     dates = "hourly";
+    randomizedDelaySec = "10min";
     flake = "git+https://git.missing.ninja/lf3/server-conf.git";
   };