diff --git a/nixos/physical/3950x.nix b/nixos/physical/3950x.nix
index e08bc01..415e81a 100644
--- a/nixos/physical/3950x.nix
+++ b/nixos/physical/3950x.nix
@@ -11,7 +11,7 @@ in {
   boot.loader.efi.canTouchEfiVariables = true;
   boot.supportedFilesystems = [ "zfs" ];
   boot.kernelModules = [ "nct6775" ];
-  boot.kernelPackages = pkgs.linuxPackages_5_15; # todo: zfs
+  boot.kernelPackages = pkgs.zfs.latestCompatibleLinuxPackages;
   networking.hostId = "c7736638";
   services.zfs.autoScrub.enable = true;
   services.zfs.trim.enable = true;
diff --git a/nixos/physical/x11.nix b/nixos/physical/x11.nix
index 9d83880..3fb2eb7 100644
--- a/nixos/physical/x11.nix
+++ b/nixos/physical/x11.nix
@@ -12,6 +12,7 @@ in {
   boot.zfs.requestEncryptionCredentials = true;
 
   boot.supportedFilesystems = [ "zfs" ];
+  boot.kernelPackages = pkgs.zfs.latestCompatibleLinuxPackages;
   networking.wireless.iwd.enable = true;
   networking.hostId = "54a8968e";