diff --git a/pkgs/development/python-modules/asgiref/default.nix b/pkgs/development/python-modules/asgiref/default.nix
index 3537736f77f6..dc7b160b9432 100644
--- a/pkgs/development/python-modules/asgiref/default.nix
+++ b/pkgs/development/python-modules/asgiref/default.nix
@@ -1,25 +1,31 @@
-{ stdenv, buildPythonPackage, pythonOlder, fetchFromGitHub, async-timeout, pytest, pytest-asyncio }:
+{ stdenv
+, async-timeout
+, buildPythonPackage
+, fetchFromGitHub
+, pytest-asyncio
+, pytestCheckHook
+, pythonOlder
+}:
+
 buildPythonPackage rec {
-  version = "3.2.10";
+  version = "3.3.1";
   pname = "asgiref";
 
   disabled = pythonOlder "3.5";
 
-  # PyPI tarball doesn't include tests directory
   src = fetchFromGitHub {
     owner = "django";
     repo = pname;
     rev = version;
-    sha256 = "1sj4yy2injaskwfi5pkb542jl8s6ljijnyra81gpw0pgd3d0bgxv";
+    sha256 = "00r4l9x425wkbac6b6c2ksm2yjinrvvdf0ajizrzq32h0jg82016";
   };
 
   propagatedBuildInputs = [ async-timeout ];
 
-  checkInputs = [ pytest pytest-asyncio ];
-
-  checkPhase = ''
-    py.test
-  '';
+  checkInputs = [
+    pytestCheckHook
+    pytest-asyncio
+  ];
 
   meta = with stdenv.lib; {
     description = "Reference ASGI adapters and channel layers";