diff --git a/flake.nix b/flake.nix
index 714ceec..003cf9f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -208,6 +208,8 @@
       };
 
       nullbox = mkSystem {
+        nixpkgs = inputs.nixpkgs-unstable;
+        home-manager = inputs.home-manager-unstable;
         system = "x86_64-linux";
         hostname = "nullbox";
         stateVersion = "23.11";