diff --git a/pkgs/development/python-modules/python-toolbox/default.nix b/pkgs/development/python-modules/python-toolbox/default.nix
index 3a91ae373788..230ff86d7fc0 100644
--- a/pkgs/development/python-modules/python-toolbox/default.nix
+++ b/pkgs/development/python-modules/python-toolbox/default.nix
@@ -3,22 +3,27 @@
   buildPythonPackage,
   docutils,
   fetchFromGitHub,
-  isPy27,
   pytestCheckHook,
+  pythonOlder,
+  setuptools,
 }:
 
 buildPythonPackage rec {
-  version = "1.0.10";
-  pname = "python_toolbox";
-  disabled = isPy27;
+  pname = "python-toolbox";
+  version = "1.0.11";
+  pyproject = true;
+
+  disabled = pythonOlder "3.9";
 
   src = fetchFromGitHub {
     owner = "cool-RR";
-    repo = pname;
-    rev = version;
-    sha256 = "1hpls1hwisdjx1g15cq052bdn9fvh43r120llws8bvgvj9ivnaha";
+    repo = "python_toolbox";
+    rev = "refs/tags/${version}";
+    hash = "sha256-Y9RmVndgsBESrUCEORUwAdaFYBiunY3kWArhB9d7bw4=";
   };
 
+  build-system = [ setuptools ];
+
   nativeCheckInputs = [
     docutils
     pytestCheckHook
@@ -30,9 +35,15 @@ buildPythonPackage rec {
     "test_python_toolbox/test_cute_profile/test_cute_profile.py"
   ];
 
+  disabledTests = [
+    # AssertionError
+    "test_repr"
+  ];
+
   meta = with lib; {
     description = "Tools for testing PySnooper";
     homepage = "https://github.com/cool-RR/python_toolbox";
+    changelog = "https://github.com/cool-RR/python_toolbox/releases/tag/${version}";
     license = licenses.mit;
     maintainers = with maintainers; [ seqizz ];
   };