diff --git a/pkgs/development/python-modules/apache-beam/default.nix b/pkgs/development/python-modules/apache-beam/default.nix
index ff12480ceb25..bb95937e0524 100644
--- a/pkgs/development/python-modules/apache-beam/default.nix
+++ b/pkgs/development/python-modules/apache-beam/default.nix
@@ -88,6 +88,7 @@ buildPythonPackage rec {
   pythonRelaxDeps = [
     "grpcio"
     "jsonpickle"
+    "objsize"
 
     # As of apache-beam v2.55.1, the requirement is cloudpickle~=2.2.1, but
     # the current (2024-04-20) nixpkgs's pydot version is 3.0.0.
diff --git a/pkgs/development/python-modules/objsize/default.nix b/pkgs/development/python-modules/objsize/default.nix
index 64fac77b1179..a962d81f559e 100644
--- a/pkgs/development/python-modules/objsize/default.nix
+++ b/pkgs/development/python-modules/objsize/default.nix
@@ -4,24 +4,22 @@
   fetchFromGitHub,
   pytestCheckHook,
   setuptools,
-  wheel,
 }:
 
 buildPythonPackage rec {
   pname = "objsize";
-  version = "0.7.1";
+  version = "0.8.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "liran-funaro";
     repo = "objsize";
     tag = version;
-    hash = "sha256-l0l80dMVWZqWBK4z53NCU+rKOQl6jRZ1zb2SmMnhs1k=";
+    hash = "sha256-u4PTUk3K3ZCNZ87xM+PoCabsw+EjOoDgNySDWWB7yho=";
   };
 
-  nativeBuildInputs = [
+  build-system = [
     setuptools
-    wheel
   ];
 
   nativeCheckInputs = [ pytestCheckHook ];