diff --git a/pkgs/development/python-modules/lightning/default.nix b/pkgs/development/python-modules/lightning/default.nix
index 7d2bf3cd046a..14b8b762530c 100644
--- a/pkgs/development/python-modules/lightning/default.nix
+++ b/pkgs/development/python-modules/lightning/default.nix
@@ -12,6 +12,7 @@
 buildPythonPackage {
   pname = "lightning";
   pyproject = true;
+  __structuredAttrs = true;
 
   inherit (pytorch-lightning)
     version