diff --git a/pkgs/development/python-modules/langsmith/default.nix b/pkgs/development/python-modules/langsmith/default.nix
index 8633395f00a1..cfdbe6a6301a 100644
--- a/pkgs/development/python-modules/langsmith/default.nix
+++ b/pkgs/development/python-modules/langsmith/default.nix
@@ -33,12 +33,12 @@ buildPythonPackage rec {
     "orjson"
   ];
 
-  nativeBuildInputs = [
+  build-system = [
     poetry-core
     pythonRelaxDepsHook
   ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     orjson
     pydantic
     requests