diff --git a/pkgs/development/python-modules/zodbpickle/default.nix b/pkgs/development/python-modules/zodbpickle/default.nix
index 6af24eb7f7d6..1403943236da 100644
--- a/pkgs/development/python-modules/zodbpickle/default.nix
+++ b/pkgs/development/python-modules/zodbpickle/default.nix
@@ -8,19 +8,14 @@
 
 buildPythonPackage rec {
   pname = "zodbpickle";
-  version = "4.2";
+  version = "4.3";
   pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-WoUUT7psNPxnvQDH8InW1TLcQ6A0R9/F4jhGyRkjCkU=";
+    hash = "sha256-3qcOi0CBZ9BjrCOk2vRTJGrNENvljLCmwNew+Gl+oqs=";
   };
 
-  postPatch = ''
-    substituteInPlace pyproject.toml \
-      --replace-fail "setuptools <= 75.6.0" "setuptools"
-  '';
-
   build-system = [ setuptools ];
 
   pythonImportsCheck = [ "zodbpickle" ];