diff --git a/nixos/pkgs/privatestorage/default.nix b/nixos/pkgs/privatestorage/default.nix
index 274eff5752dffb06c1a939510d502f6efe17818e..ba856fb856477852c6679fff30bad720f59c6d57 100644
--- a/nixos/pkgs/privatestorage/default.nix
+++ b/nixos/pkgs/privatestorage/default.nix
@@ -3,6 +3,7 @@ let
   repo-data = lib.importJSON ./repo.json;
   repo = fetchFromGitHub (builtins.removeAttrs repo-data [ "branch" ]);
   zk = import repo;
+  # XXX package version choice here
   zkapauthorizer = zk.outputs.packages.x86_64-linux.zkapauthorizer-python310-tahoe_1_17_1;
   python = zkapauthorizer.passthru.python;
 in