diff --git a/flake.nix b/flake.nix
index 51b08795..b244dacc 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,6 +4,8 @@
   inputs = {
     nixpkgs.url = "git+https://github.com/nixos/nixpkgs?shallow=1&ref=nixos-unstable-small";
     nixpkgs-stable.url = "git+https://github.com/nixos/nixpkgs?shallow=1&ref=nixos-24.05";
+    # see https://github.com/renovatebot/renovate/issues/29721
+    # "github:NixOS/nixpkgs/trick-renovate-into-working"
     cachix-deploy-flake.url = "github:cachix/cachix-deploy-flake";
     darwin.url = "github:lnl7/nix-darwin";
     disko.url = "github:nix-community/disko";