diff --git a/modules/system/auto-gc.nix b/modules/system/auto-gc.nix
index 9a17c1d..b06046b 100644
--- a/modules/system/auto-gc.nix
+++ b/modules/system/auto-gc.nix
@@ -8,7 +8,7 @@
       clean = {
         enable = true;
         dates = "daily";
-        extraArgs = "--keep 10 --keep-since 3d";
+        extraArgs = "--keep 10 --keep-since 7d";
       };
     };
   };