@@ -0,0 +1,14 @@
+{ config, pkgs, ... }:
+
+{
+  imports = [
+    ./nix.nix
+  ];
+  nixpkgs.overlays = [
+    (self: super: {
+      unstable = import <nixos-unstable> {
+        config = config.nixpkgs.config;
+      };
+    })
+  ];
+}