diff --git a/hosts/LAPTOP-032/users/julien.nix b/hosts/LAPTOP-032/users/julien.nix
index fe42588..d800561 100644
--- a/hosts/LAPTOP-032/users/julien.nix
+++ b/hosts/LAPTOP-032/users/julien.nix
@@ -26,7 +26,10 @@
 
   nix = {
     package = pkgs.nix;
-    gc.automatic = true;
+    gc = {
+      automatic = true;
+      options = "--delete-older-than 7d";
+    };
     settings.experimental-features = [ "nix-command" "flakes" ];
   };