diff --git a/pkgs/development/python-modules/uvloop/darwin_sandbox.patch b/pkgs/development/python-modules/uvloop/darwin_sandbox.patch
deleted file mode 100644
index bd4e5e48b149..000000000000
--- a/pkgs/development/python-modules/uvloop/darwin_sandbox.patch
+++ /dev/null
@@ -1,28 +0,0 @@
-diff --git a/tests/test_pipes.py b/tests/test_pipes.py
-index d883abf..2e74d7a 100644
---- a/tests/test_pipes.py
-+++ b/tests/test_pipes.py
-@@ -2,6 +2,7 @@ import asyncio
- import io
- import os
- import socket
-+import unittest
- 
- from uvloop import _testbase as tb
- 
-@@ -96,6 +97,7 @@ class _BasePipeTest:
-         # extra info is available
-         self.assertIsNotNone(proto.transport.get_extra_info('pipe'))
- 
-+    @unittest.skip("darwin sandbox")
-     def test_read_pty_output(self):
-         proto = MyReadPipeProto(loop=self.loop)
- 
-@@ -198,6 +200,7 @@ class _BasePipeTest:
-         self.loop.run_until_complete(proto.done)
-         self.assertEqual('CLOSED', proto.state)
- 
-+    @unittest.skip("darwin sandbox")
-     def test_write_pty(self):
-         master, slave = os.openpty()
-         os.set_blocking(master, False)
diff --git a/pkgs/development/python-modules/uvloop/default.nix b/pkgs/development/python-modules/uvloop/default.nix
index a37e6a3675ba..27f7b68fe89c 100644
--- a/pkgs/development/python-modules/uvloop/default.nix
+++ b/pkgs/development/python-modules/uvloop/default.nix
@@ -1,69 +1,69 @@
 { lib
 , stdenv
 , buildPythonPackage
+, pythonOlder
 , fetchPypi
-, pyopenssl
 , libuv
-, psutil
-, isPy27
-, pythonAtLeast
 , CoreServices
 , ApplicationServices
 # Check Inputs
+, aiohttp
+, psutil
+, pyopenssl
 , pytestCheckHook
-# , pytest-asyncio
 }:
 
 buildPythonPackage rec {
   pname = "uvloop";
-  version = "0.14.0";
-  disabled = isPy27;
+  version = "0.15.0";
+  disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "07j678z9gf41j98w72ysrnb5sa41pl5yxd7ib17lcwfxqz0cjfhj";
+    sha256 = "0rfhr84km8k5gj0036b2pznwmc8macx56vkxc3aksvns95dksl0s";
   };
 
-  patches = lib.optional stdenv.isDarwin ./darwin_sandbox.patch;
-
   buildInputs = [
     libuv
-  ] ++ lib.optionals stdenv.isDarwin [ CoreServices ApplicationServices ];
-
-  pythonImportsCheck = [
-    "uvloop"
-    "uvloop.loop"
+  ] ++ lib.optionals stdenv.isDarwin [
+    CoreServices
+    ApplicationServices
   ];
 
   dontUseSetuptoolsCheck = true;
-  checkInputs = [ pytestCheckHook pyopenssl psutil ];
+  checkInputs = [
+    aiohttp
+    pytestCheckHook
+    pyopenssl
+    psutil
+  ];
 
   pytestFlagsArray = [
     # from pytest.ini, these are NECESSARY to prevent failures
     "--capture=no"
     "--assert=plain"
+    "--strict"
     "--tb=native"
     # ignore code linting tests
     "--ignore=tests/test_sourcecode.py"
   ];
 
-  disabledTests = [
-    "test_sock_cancel_add_reader_race"  # asyncio version of test is supposed to be skipped but skip doesn't happen. uvloop version runs fine
-  ] ++ lib.optionals (pythonAtLeast "3.8") [ "test_write_to_closed_transport" ];  # https://github.com/MagicStack/uvloop/issues/355
-
   # force using installed/compiled uvloop vs source by moving tests to temp dir
   preCheck = ''
     export TEST_DIR=$(mktemp -d)
     cp -r tests $TEST_DIR
     pushd $TEST_DIR
-  '' + lib.optionalString stdenv.isDarwin ''
-    # Some tests fail on Darwin
-    rm tests/test_[stu]*.py
   '';
+
   postCheck = ''
     popd
   '';
 
+  pythonImportsCheck = [
+    "uvloop"
+    "uvloop.loop"
+  ];
+
   # Some of the tests use localhost networking.
   __darwinAllowLocalNetworking = true;
 
@@ -72,6 +72,5 @@ buildPythonPackage rec {
     homepage = "https://github.com/MagicStack/uvloop";
     license = licenses.mit;
     maintainers = with maintainers; [ costrouc ];
-    broken = pythonAtLeast "3.9"; # see: https://github.com/MagicStack/uvloop/issues/365
   };
 }