diff --git a/pkgs/development/python-modules/structlog/default.nix b/pkgs/development/python-modules/structlog/default.nix
index 7dc7f3e69de0..2e90d3350dbe 100644
--- a/pkgs/development/python-modules/structlog/default.nix
+++ b/pkgs/development/python-modules/structlog/default.nix
@@ -1,9 +1,8 @@
 { lib
 , buildPythonPackage
-, fetchPypi
-, pytest
+, fetchFromGitHub
+, pytestCheckHook
 , pytest-asyncio
-, python-rapidjson
 , pretend
 , freezegun
 , twisted
@@ -15,24 +14,22 @@
 buildPythonPackage rec {
   pname = "structlog";
   version = "21.4.0";
+  format = "flit";
 
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "305a66201f9605a2e8a2595271a446f258175901c09c01e4c2c2a8ac5b68edf1";
+  # sdist is missing conftest.py
+  src = fetchFromGitHub {
+    owner = "hynek";
+    repo = "structlog";
+    rev = version;
+    sha256 = "sha256-uXFSrC1TvQV46uu0sadC3eMq7yk5TnrpQE8m6NSv1Bg=";
   };
 
-  checkInputs = [ pytest pytest-asyncio pretend freezegun simplejson twisted ]
-    ++ lib.optionals (pythonAtLeast "3.6") [ python-rapidjson ];
+  checkInputs = [ pytestCheckHook pytest-asyncio pretend freezegun simplejson twisted ];
   propagatedBuildInputs = [ six ];
 
-  checkPhase = ''
-    # rm tests/test_twisted.py*
-    py.test
-  '';
-
   meta = {
     description = "Painless structural logging";
-    homepage = "http://www.structlog.org/";
+    homepage = "https://github.com/hynek/structlog";
     license = lib.licenses.asl20;
   };
 }