diff --git a/pkgs/development/python-modules/gentools/default.nix b/pkgs/development/python-modules/gentools/default.nix
index c53dd68fb815a..6d2ae215eafac 100644
--- a/pkgs/development/python-modules/gentools/default.nix
+++ b/pkgs/development/python-modules/gentools/default.nix
@@ -1,31 +1,47 @@
-{ buildPythonPackage, lib, fetchFromGitHub, pytest
-, typing ? null, funcsigs ? null, pythonOlder
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, importlib-metadata
+, poetry-core
+, pytestCheckHook
+, pythonOlder
 }:
 
 buildPythonPackage rec {
   pname = "gentools";
   version = "1.2.1";
+  pyproject = true;
+
+  disabled = pythonOlder "3.7";
 
-  # Pypi doesn't ship the tests, so we fetch directly from GitHub
   src = fetchFromGitHub {
     owner = "ariebovenberg";
-    repo = pname;
+    repo = "gentools";
     rev = "refs/tags/v${version}";
-    sha256 = "sha256-RBUIji3FOIRjfp4t7zBAVSeiWaYufz4ID8nTWmhDkf8=";
+    hash = "sha256-RBUIji3FOIRjfp4t7zBAVSeiWaYufz4ID8nTWmhDkf8=";
   };
 
-  propagatedBuildInputs =
-    lib.optionals (pythonOlder "3.5") [ typing ] ++
-    lib.optionals (pythonOlder "3.4") [ funcsigs ];
+  nativeBuildInputs = [
+    poetry-core
+  ];
+
+  propagatedBuildInputs = lib.optionals (pythonOlder "3.8") [
+    importlib-metadata
+  ];
+
+  nativeCheckInputs = [
+    pytestCheckHook
+  ];
 
-  nativeCheckInputs = [ pytest ];
-  checkPhase = "pytest";
+  pythonImportCheck = [
+    "gentools"
+  ];
 
   meta = with lib; {
     description = "Tools for generators, generator functions, and generator-based coroutines";
-    license = licenses.mit;
     homepage = "https://gentools.readthedocs.io/";
+    changelog = "https://github.com/ariebovenberg/gentools/blob/v${version}/CHANGELOG.rst";
+    license = licenses.mit;
     maintainers = with maintainers; [ mredaelli ];
   };
-
 }