diff --git a/modules/update.nix b/modules/update.nix
index ace1c03..84e5145 100644
--- a/modules/update.nix
+++ b/modules/update.nix
@@ -16,7 +16,7 @@ in
       gc = {
         automatic = true;
         dates = "weekly";
-        options = "--delete-older-than 30d";
+        options = "--delete-older-than 7d";
       };
     };