diff --git a/pkgs/development/python-modules/unstructured-client/default.nix b/pkgs/development/python-modules/unstructured-client/default.nix
index 7959204b7581..5c6c951288a5 100644
--- a/pkgs/development/python-modules/unstructured-client/default.nix
+++ b/pkgs/development/python-modules/unstructured-client/default.nix
@@ -1,13 +1,11 @@
 {
   aiofiles,
   buildPythonPackage,
-  cryptography,
   deepdiff,
   fetchFromGitHub,
   httpcore,
   httpx,
   lib,
-  poetry-core,
   pydantic,
   pypdf,
   pypdfium2,
@@ -15,33 +13,29 @@
   pytestCheckHook,
   python,
   requests-toolbelt,
+  setuptools,
 }:
 
 buildPythonPackage (finalAttrs: {
   pname = "unstructured-client";
-  version = "0.42.12";
+  version = "0.43.2";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "Unstructured-IO";
     repo = "unstructured-python-client";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-xuaGvQEu1QpLn33AUgdWW120pVVNVPL08U/SCA7kGvc=";
+    hash = "sha256-Y/qhgm+mmKNPZhx/km02i7sc31izQH72REXYrKY++OM=";
   };
 
   preBuild = ''
     ${python.interpreter} scripts/prepare_readme.py
   '';
 
-  build-system = [ poetry-core ];
-
-  pythonRelaxDeps = [
-    "pydantic"
-  ];
+  build-system = [ setuptools ];
 
   dependencies = [
     aiofiles
-    cryptography
     httpcore
     httpx
     pydantic