diff --git a/system/nixos/atticd.nix b/system/nixos/atticd.nix
index 32f113f..82d0756 100644
--- a/system/nixos/atticd.nix
+++ b/system/nixos/atticd.nix
@@ -34,7 +34,7 @@ in
 
       garbage-collection = {
         interval = "12 hours";
-        default-retention-period = "3 months";
+        default-retention-period = "2 weeks";
       };
     };
   };