diff --git a/pkgs/development/python-modules/txtorcon/default.nix b/pkgs/development/python-modules/txtorcon/default.nix
index c5fc7e1c6a4..167e090fca0 100644
--- a/pkgs/development/python-modules/txtorcon/default.nix
+++ b/pkgs/development/python-modules/txtorcon/default.nix
@@ -1,31 +1,24 @@
 { lib, stdenv, python, buildPythonPackage, pythonOlder, fetchPypi, isPy3k, incremental, ipaddress, twisted
-, automat, zope_interface, idna, pyopenssl, service-identity, pytest, mock, lsof
-, GeoIP}:
+, automat, zope_interface, idna, pyopenssl, service-identity, pytestCheckHook, mock, lsof
+, GeoIP }:
 
 buildPythonPackage rec {
   pname = "txtorcon";
   version = "22.0.0";
 
-  checkInputs = [ pytest mock lsof GeoIP ];
-  propagatedBuildInputs = [
-    incremental twisted automat zope_interface
-    # extra dependencies required by twisted[tls]
-    idna pyopenssl service-identity
-  ] ++ lib.optionals (!isPy3k) [ ipaddress ];
-
   src = fetchPypi {
     inherit pname version;
     sha256 = "sha256-iaG2XjKks2nWfmwWY4f7xGjMXQUidEjSOaXn6XGKoFM=";
   };
 
-  # Based on what txtorcon tox.ini will automatically test, allow back as far
-  # as Python 3.5.
-  disabled = pythonOlder "3.5";
+  propagatedBuildInputs = [
+    incremental twisted automat zope_interface
+  ] ++ twisted.extras.tls
+  ++ lib.optionals (!isPy3k) [ ipaddress ];
+
+  checkInputs = [ pytestCheckHook mock lsof GeoIP ];
 
   doCheck = !(stdenv.isDarwin && stdenv.isAarch64);
-  checkPhase = ''
-    ${python.interpreter} -m twisted.trial -j $NIX_BUILD_CORES ./test
-  '';
 
   meta = {
     description = "Twisted-based Tor controller client, with state-tracking and configuration abstractions";