diff --git a/user.nix b/user.nix
index 24e7277..564b864 100644
--- a/user.nix
+++ b/user.nix
@@ -1,4 +1,7 @@
 { pkgs, users, ... }:
+let
+  unstable = import <nixos-unstable> {};
+in
 {
   # Define a user account. Don't forget to set a password with ‘passwd’.
   users.users.zoe = {