diff --git a/pkgs/development/python-modules/arsenic/default.nix b/pkgs/development/python-modules/arsenic/default.nix
index e2c929b25147..2d742f943f79 100644
--- a/pkgs/development/python-modules/arsenic/default.nix
+++ b/pkgs/development/python-modules/arsenic/default.nix
@@ -1,26 +1,27 @@
-{ lib
-, aiohttp
-, attrs
-, buildPythonPackage
-, fetchFromGitHub
-, fetchpatch
-, poetry-core
-, pytestCheckHook
-, pythonRelaxDepsHook
-, pythonOlder
-, structlog
+{
+  lib,
+  aiohttp,
+  attrs,
+  buildPythonPackage,
+  fetchFromGitHub,
+  fetchpatch,
+  packaging,
+  poetry-core,
+  pythonRelaxDepsHook,
+  pythonOlder,
+  structlog,
 }:
 
 buildPythonPackage rec {
   pname = "arsenic";
   version = "21.8";
-  format = "pyproject";
+  pyproject = true;
 
   disabled = pythonOlder "3.7";
 
   src = fetchFromGitHub {
     owner = "HENNGE";
-    repo = pname;
+    repo = "arsenic";
     rev = "refs/tags/${version}";
     hash = "sha256-fsLo22PR9WdX2FazPgr8B8dFq6EM1LLTpRFGEm/ymCE=";
   };
@@ -32,33 +33,31 @@ buildPythonPackage rec {
       url = "https://github.com/HENNGE/arsenic/commit/ca82894a5f1e832ab9283a245258b334bdd48855.patch";
       hash = "sha256-ECCUaJF4MRmFOKH1C6HowJ+zmbEPPiS7h9DlKw5otZc=";
     })
+    # Replace distutils with packaging, https://github.com/HENNGE/arsenic/pull/166
+    (fetchpatch {
+      name = "replace-distutils.patch";
+      url = "https://github.com/HENNGE/arsenic/commit/440faed7d2a8fbd635a135c007051ea494e72873.patch";
+      hash = "sha256-QbOH6EdFKZxm1VaXRiTbJ3zIzEKVet9GUQDaJnmSNQw=";
+    })
   ];
 
-  pythonRelaxDeps = [
-    "structlog"
-  ];
+  pythonRelaxDeps = [ "structlog" ];
 
-  nativeBuildInputs = [
-    poetry-core
-    pythonRelaxDepsHook
-  ];
+  nativeBuildInputs = [ pythonRelaxDepsHook ];
 
-  propagatedBuildInputs = [
+  build-system = [ poetry-core ];
+
+  dependencies = [
     aiohttp
     attrs
+    packaging
     structlog
   ];
 
-  nativeCheckInputs = [
-    pytestCheckHook
-  ];
-
-  # Depends on asyncio_extras which is not longer maintained
+  # Test depends on asyncio_extras which is not longer maintained
   doCheck = false;
 
-  pythonImportsCheck = [
-    "arsenic"
-  ];
+  pythonImportsCheck = [ "arsenic" ];
 
   meta = with lib; {
     description = "WebDriver implementation for asyncio and asyncio-compatible frameworks";