diff --git a/modules/base.nix b/modules/base.nix
index 6de1de3..a2d97c6 100644
--- a/modules/base.nix
+++ b/modules/base.nix
@@ -3,7 +3,7 @@
 with lib;
 {
 
-  boot.kernelPackages = pkgs.linuxPackages_latest;
+  boot.kernelPackages = pkgs.linuxPackages_6_1;
   # Use the systemd-boot EFI boot loader.
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
diff --git a/system/shen/configuration.nix b/system/shen/configuration.nix
index 84ff3f8..7a6f184 100644
--- a/system/shen/configuration.nix
+++ b/system/shen/configuration.nix
@@ -3,14 +3,7 @@
 # and in the NixOS manual (accessible by running ‘nixos-help’).
 
 { config, lib, pkgs, ... }:
-let
-  unstable = import <nixos-unstable> {
-    config = {
-      allowUnfree = true;
-      allowUnfreePredicate = (pkg: true);
-    };
-  };
-in
+
 {
   imports =
     [ # Include the results of the hardware scan.
@@ -55,7 +48,7 @@ in
     };
 
     nvidia = {
-      package = config.boot.kernelPackages.nvidiaPackages.latest;
+      package = config.boot.kernelPackages.nvidiaPackages.stable;
       modesetting.enable = true;
     };
   };