diff --git a/nixos/default.nix b/nixos/default.nix
index df0743d..c683657 100644
--- a/nixos/default.nix
+++ b/nixos/default.nix
@@ -86,7 +86,7 @@
       automatic = true;
       persistent = true;
       dates = "weekly";
-      options = "--delete-older-than 30d";
+      options = "--delete-older-than 7d";
     };
   };