diff --git a/hosts/boreal/default.nix b/hosts/boreal/default.nix
index c59aceb..f34bf27 100644
--- a/hosts/boreal/default.nix
+++ b/hosts/boreal/default.nix
@@ -14,7 +14,7 @@ in
       ./home.nix
     ];
 
-  boot.kernelPackages = pkgs.linuxPackages_latest;
+  boot.kernelPackages = pkgs.linuxPackages_5_12;
 
   # Use the systemd-boot EFI boot loader.
   boot.loader.systemd-boot.enable = true;