diff --git a/meta/nodes.nix b/meta/nodes.nix
index 358aa0d..e31db02 100644
--- a/meta/nodes.nix
+++ b/meta/nodes.nix
@@ -40,5 +40,6 @@ builtins.mapAttrs mkNode {
 
   vault01 = {
     stateVersion = "23.11";
+    nixpkgs = "unstable";
   };
 }
diff --git a/npins/sources.json b/npins/sources.json
index b32e9cc..b128fa1 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -130,6 +130,12 @@
       "url": "https://releases.nixos.org/nixos/23.11/nixos-23.11.2728.6723fa4e4f1a/nixexprs.tar.xz",
       "hash": "1iv40b5kiyajhdf6psf4fzajgn7mgb3a4m2hrdmllas1h2xdxh38"
     },
+    "nixos-unstable": {
+      "type": "Channel",
+      "name": "nixos-unstable",
+      "url": "https://releases.nixos.org/nixos/unstable/nixos-24.05pre567746.317484b1ead8/nixexprs.tar.xz",
+      "hash": "1vqi5w5whmalbkjizxgybw54i7c1l530n8pkczs8jfkczd5cpnr3"
+    },
     "nixpkgs": {
       "type": "Channel",
       "name": "nixpkgs-unstable",