diff --git a/pytest4.patch b/pytest4.patch
deleted file mode 100644
index 44b844b..0000000
--- a/pytest4.patch
+++ /dev/null
@@ -1,47 +0,0 @@
-From 9217f054b7eccc120f84e01995479125e07de59a Mon Sep 17 00:00:00 2001
-From: meejah <meejah@meejah.ca>
-Date: Fri, 22 Feb 2019 12:01:46 -0700
-Subject: [PATCH] make pytest happy
-
----
- test/conftest.py | 12 ++++++++++--
- 1 file changed, 10 insertions(+), 2 deletions(-)
-
-diff --git a/test/conftest.py b/test/conftest.py
-index 4a225c8..a3ca2d6 100644
---- a/test/conftest.py
-+++ b/test/conftest.py
-@@ -25,9 +25,9 @@ def framework(request):
- 
-     try:
-         if request.param == 'twisted':
--            return framework_tx()
-+            return _notfixture_framework_tx()
-         elif request.param == 'asyncio':
--            return framework_aio()
-+            return _notfixture_framework_aio()
-     except ImportError:
-         pytest.skip()
- 
-@@ -43,6 +43,10 @@ def framework_uninitialized():
- 
- @pytest.fixture
- def framework_tx():
-+    return _notfixture_framework_tx()
-+
-+
-+def _notfixture_framework_tx():
-     try:
-         import txaio
-         from txaio import tx
-@@ -56,6 +60,10 @@ def framework_tx():
- 
- @pytest.fixture
- def framework_aio():
-+    return _notfixture_framework_aio()
-+
-+
-+def _notfixture_framework_aio():
-     try:
-         import txaio
-         from txaio import aio
diff --git a/python-txaio.changes b/python-txaio.changes
index 63fc970..f5eaccb 100644
--- a/python-txaio.changes
+++ b/python-txaio.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Wed Feb  5 13:11:01 UTC 2020 - Ondřej Súkup <mimi.vx@gmail.com>
+
+- update to 20.1.1
+- drop pytest4.patch
+ * new: moved time_ns and perf_counter_ns helper functions here
+ * drop support for python 3.4 and older
+
 -------------------------------------------------------------------
 Fri Sep 13 11:40:25 UTC 2019 - Tomáš Chvátal <tchvatal@suse.com>
 
diff --git a/python-txaio.spec b/python-txaio.spec
index 4fed89c..9c3e646 100644
--- a/python-txaio.spec
+++ b/python-txaio.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-txaio
 #
-# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2020 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -16,29 +16,24 @@
 #
 
 
+%define skip_python2 1
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
 Name:           python-txaio
-Version:        18.8.1
+Version:        20.1.1
 Release:        0
 Summary:        WebSocket and WAMP in Python for Twisted and asyncio
 License:        MIT
 Group:          Development/Languages/Python
 URL:            https://github.com/crossbario/txaio
 Source:         https://files.pythonhosted.org/packages/source/t/txaio/txaio-%{version}.tar.gz
-Patch0:         pytest4.patch
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
-BuildRequires:  python2-devel
 BuildRequires:  python3-testsuite
 Requires:       python-six
 Recommends:     python-Twisted >= 12.1.0
 Recommends:     python-zope.interface >= 3.6
 BuildArch:      noarch
-%ifpython2
-Requires:       python-future
-Recommends:     python-trollius
-%endif
 # SECTION test requirements
 BuildRequires:  %{python_module Twisted >= 12.1.0}
 BuildRequires:  %{python_module mock}
@@ -53,7 +48,6 @@ asynchronous Remote Procedure Calls and Publish & Subscribe on top of WebSocket.
 
 %prep
 %setup -q -n txaio-%{version}
-%autopatch -p1
 
 %build
 %python_build
diff --git a/txaio-18.8.1.tar.gz b/txaio-18.8.1.tar.gz
deleted file mode 100644
index abda86e..0000000
--- a/txaio-18.8.1.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:67e360ac73b12c52058219bb5f8b3ed4105d2636707a36a7cdafb56fe06db7fe
-size 51092
diff --git a/txaio-20.1.1.tar.gz b/txaio-20.1.1.tar.gz
new file mode 100644
index 0000000..0d50384
--- /dev/null
+++ b/txaio-20.1.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f24e10396f026c75364ae23ffac8d72c156dc5f3733d332febb356c9d8d6b58d
+size 53391