diff --git a/hosts/common/autoupdate.nix b/hosts/common/autoupdate.nix
index 4ca0820..55ec30e 100644
--- a/hosts/common/autoupdate.nix
+++ b/hosts/common/autoupdate.nix
@@ -3,7 +3,7 @@
   system.autoUpgrade = {
     enable = true;
     dates = "04:00";
-    flake = "https://git.huwe.mooo.com/willifan/nix-config.git";
+    flake = "git+ssh://gitea@git.huwe.mooo.com/willifan/nix-config";
     persistent = true;
     randomizedDelaySec = "5min";
     fixedRandomDelay = true;
diff --git a/hosts/common/garbage-collect.nix b/hosts/common/garbage-collect.nix
index 18d0fd3..32eff39 100644
--- a/hosts/common/garbage-collect.nix
+++ b/hosts/common/garbage-collect.nix
@@ -4,6 +4,6 @@
     automatic = true;
     dates = "04:30";
     persistent = true;
-    options = "--delete-older-than 10d";
+    options = "--delete-older-than 30d";
   };
 }