diff --git a/common/misc.nix b/common/misc.nix
index e470d54..af95d1b 100644
--- a/common/misc.nix
+++ b/common/misc.nix
@@ -1,7 +1,11 @@
 { config, lib, pkgs, ... }:
 
 {
-  nix.gc.automatic = true;
+  nix.gc = {
+    automatic = true;
+    dates = "weekly";
+    randomizedDelaySec = "45min";
+  };
   nix.optimise.automatic = true;
   services.fstrim.enable = true;
 }
\ No newline at end of file