diff --git a/modules/utils/commons.nix b/modules/utils/commons.nix
index 94bc7d5..1c034d4 100644
--- a/modules/utils/commons.nix
+++ b/modules/utils/commons.nix
@@ -49,6 +49,7 @@ in
       gc = lib.mkIf cfg.gc.enable {
         # Auto delete old generations
         automatic = true;
+        dates = "weekly";
         options = "--delete-older-than 2d";
       };
     };