diff --git a/python-txaio.changes b/python-txaio.changes
index a82f22b..c91e471 100644
--- a/python-txaio.changes
+++ b/python-txaio.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Mon Jan 18 00:21:11 UTC 2021 - Benjamin Greiner <code@bnavigator.de>
+
+- update to 20.12.1
+  * new: CI/CD migrated to GitHub Actions
+  * new: support Python 3.9 (CI / testing added)
+  * new: minimum Python version is now 3.6 
+- add remove-mock.patch gh#crossbario/txaio#169
+
 -------------------------------------------------------------------
 Mon Apr  6 09:20:12 UTC 2020 - Marketa Calabkova <mcalabkova@suse.com>
 
diff --git a/python-txaio.spec b/python-txaio.spec
index 5ac1852..eb2620e 100644
--- a/python-txaio.spec
+++ b/python-txaio.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-txaio
 #
-# Copyright (c) 2020 SUSE LLC
+# Copyright (c) 2021 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -19,31 +19,26 @@
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
 %define skip_python2 1
 Name:           python-txaio
-Version:        20.4.1
+Version:        20.12.1
 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
+# PATCH-FIX-UPSTREAM remove-mock.patch gh#crossbario/txaio#169
+Patch0:         remove-mock.patch
 BuildRequires:  %{python_module setuptools}
+BuildRequires:  %{python_module testsuite}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
-BuildRequires:  python2-devel
-BuildRequires:  python3-testsuite
-Requires:       python-six
 Recommends:     python-Twisted >= 20.3.0
 Recommends:     python-zope.interface >= 3.6
 BuildArch:      noarch
-%ifpython2
-Requires:       python-future
-Recommends:     python-trollius
-%endif
 # SECTION test requirements
 BuildRequires:  %{python_module Twisted >= 20.3.0}
-BuildRequires:  %{python_module mock}
 BuildRequires:  %{python_module pytest}
-BuildRequires:  %{python_module six}
+BuildRequires:  %{python_module zope.interface >= 3.6}
 # /SECTION
 %python_subpackages
 
@@ -67,6 +62,7 @@ asynchronous Remote Procedure Calls and Publish & Subscribe on top of WebSocket.
 
 %files %{python_files}
 %license LICENSE
-%{python_sitelib}/*
+%{python_sitelib}/txaio
+%{python_sitelib}/txaio-%{version}*-info
 
 %changelog
diff --git a/remove-mock.patch b/remove-mock.patch
new file mode 100644
index 0000000..229d939
--- /dev/null
+++ b/remove-mock.patch
@@ -0,0 +1,37 @@
+Index: txaio-20.12.1/setup.py
+===================================================================
+--- txaio-20.12.1.orig/setup.py
++++ txaio-20.12.1/setup.py
+@@ -61,7 +61,6 @@ extras_require_dev = [
+     'sphinxcontrib-spelling>=2.1.2',    # BSD
+     'sphinx_rtd_theme>=0.1.9',          # BSD
+     'tox>=2.1.1',                       # MIT
+-    'mock==1.3.0',                      # BSD
+     'twine>=1.6.5',                     # Apache 2.0
+     'tox-gh-actions>=2.2.0 ',           # MIT
+ ]
+Index: txaio-20.12.1/test/test_call_later.py
+===================================================================
+--- txaio-20.12.1.orig/test/test_call_later.py
++++ txaio-20.12.1/test/test_call_later.py
+@@ -26,7 +26,7 @@
+ 
+ import sys
+ 
+-from mock import patch
++from unittest.mock import patch
+ 
+ import pytest
+ import txaio
+Index: txaio-20.12.1/tox.ini
+===================================================================
+--- txaio-20.12.1.orig/tox.ini
++++ txaio-20.12.1/tox.ini
+@@ -29,7 +29,6 @@ python =
+ 
+ [testenv]
+ deps =
+-    mock
+     pytest==4.6.9
+     coverage==4.5.4
+ 
diff --git a/txaio-20.12.1.tar.gz b/txaio-20.12.1.tar.gz
new file mode 100644
index 0000000..d44f053
--- /dev/null
+++ b/txaio-20.12.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1488d31d564a116538cc1265ac3f7979fb6223bb5a9e9f1479436ee2c17d8549
+size 53200
diff --git a/txaio-20.4.1.tar.gz b/txaio-20.4.1.tar.gz
deleted file mode 100644
index 3808318..0000000
--- a/txaio-20.4.1.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:17938f2bca4a9cabce61346758e482ca4e600160cbc28e861493eac74a19539d
-size 52580