diff --git a/pkgs/development/python-modules/langchain-text-splitters/default.nix b/pkgs/development/python-modules/langchain-text-splitters/default.nix
index f8eaf117e3a9..18de1949ddf2 100644
--- a/pkgs/development/python-modules/langchain-text-splitters/default.nix
+++ b/pkgs/development/python-modules/langchain-text-splitters/default.nix
@@ -20,11 +20,11 @@ buildPythonPackage rec {
     hash = "sha256-rIkn3AugjrpwL2lhye19986tjeGan3EBqyteo0IBs8E=";
   };
 
-  nativeBuildInputs = [
+  build-system = [
     poetry-core
   ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     langchain-core
     lxml
   ];