diff --git a/krops.nix b/krops.nix
index 1a3a034..0102eb0 100644
--- a/krops.nix
+++ b/krops.nix
@@ -6,9 +6,10 @@ let
     lib.evalSource [{
       config.file = toString ./machines;
       nixos-config.symlink = "config/${machine}/configuration.nix";
+      # Auto-upgrade wen?
       nixpkgs.git = {
         clean.exclude = [ "/.version-suffix" ];
-        ref = "0d68d7c857fe301d49cdcd56130e0beea4ecd5aa"; # nixos-unstable
+        ref = "823e2c9b0a0ec8b61b6583f48338072f137b6889"; # nixos-unstable
         url = "https://github.com/NixOS/nixpkgs";
       };
     }];