Nix build fails on nixpkgs update

[Toast]

Updated my system flake to nixpkgs cfd6b5fc90b15709b780a5a1619695a88505a176 and now the extension fails to build

Here are the logs:

@nix { "action": "setPhase", "phase": "unpackPhase" }
Running phase: unpackPhase
unpacking source archive /nix/store/c7s7d3r1n1wvbzrx32nxz27a1gn3byn1-catppuccin-vsc-3.13.0-builder
source root is extension
chmod: cannot access 'extension': No such file or directory