diff --git a/configuration/nix-options.nix b/configuration/nix-options.nix
index f8a7d8d..324916b 100644
--- a/configuration/nix-options.nix
+++ b/configuration/nix-options.nix
@@ -13,6 +13,7 @@ in
 
   system.autoUpgrade.enable = flags.auto-upgrade;
   nix = {
+    package = pkgs.nixUnstable;
     extraOptions = ''
       experimental-features = nix-command flakes
     '';