diff --git a/hosts/rainbow.nix b/hosts/rainbow.nix
index c5f3ab5..0c15174 100644
--- a/hosts/rainbow.nix
+++ b/hosts/rainbow.nix
@@ -1,9 +1,9 @@
 # Do not modify this file!  It was generated by ‘nixos-generate-config’
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }:
-
-{
+{ config, lib, pkgs, modulesPath, ... }: let
+  btrfs_options = [ "compress=zstd:3" "noatime" ];
+in {
   imports =
     [ (modulesPath + "/installer/scan/not-detected.nix")
     ];
@@ -16,7 +16,7 @@
   fileSystems."/" =
     { device = "/dev/disk/by-uuid/a242e1fd-6848-4504-909f-ab8b61f97c8e";
       fsType = "btrfs";
-      options = [ "subvol=@nixos" ];
+      options = [ "subvol=@nixos" ] ++ btrfs_options;
     };
 
   boot.initrd.luks.devices."main".device = "/dev/disk/by-uuid/9b24d79f-e018-4d70-84a9-5a1b49a6c610";
@@ -24,7 +24,7 @@
   fileSystems."/home" =
     { device = "/dev/disk/by-uuid/a242e1fd-6848-4504-909f-ab8b61f97c8e";
       fsType = "btrfs";
-      options = [ "subvol=@home" ];
+      options = [ "subvol=@home" ] ++ btrfs_options;
     };
 
   fileSystems."/boot/efi" =