diff --git a/python-html5lib-no-mock.patch b/python-html5lib-no-mock.patch
new file mode 100644
index 0000000..009d56f
--- /dev/null
+++ b/python-html5lib-no-mock.patch
@@ -0,0 +1,13 @@
+Index: html5lib-1.1/html5lib/tests/test_meta.py
+===================================================================
+--- html5lib-1.1.orig/html5lib/tests/test_meta.py	2020-06-23 01:23:02.000000000 +0200
++++ html5lib-1.1/html5lib/tests/test_meta.py	2022-03-21 14:42:19.011204038 +0100
+@@ -1,7 +1,7 @@
+ from __future__ import absolute_import, division, unicode_literals
+ 
+ import six
+-from mock import Mock
++from unittest.mock import Mock
+ 
+ from . import support
+ 
diff --git a/python-html5lib.changes b/python-html5lib.changes
index c2e10ee..efb6ae1 100644
--- a/python-html5lib.changes
+++ b/python-html5lib.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Mon Mar 21 14:10:17 UTC 2022 - pgajdos@suse.com
+
+- do not require python-mock for build
+- added patches
+  fix https://github.com/html5lib/html5lib-python/issues/541
+  + python-html5lib-no-mock.patch
+
 -------------------------------------------------------------------
 Thu Aug 27 14:03:46 UTC 2020 - Marketa Calabkova <mcalabkova@suse.com>
 
diff --git a/python-html5lib.spec b/python-html5lib.spec
index 628f464..ce9ee27 100644
--- a/python-html5lib.spec
+++ b/python-html5lib.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-html5lib
 #
-# Copyright (c) 2020 SUSE LLC
+# Copyright (c) 2022 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -26,6 +26,8 @@ URL:            https://github.com/html5lib/html5lib-python
 Source:         https://files.pythonhosted.org/packages/source/h/html5lib/html5lib-%{version}.tar.gz
 # PATCH-FIX_UPSTREAM https://github.com/html5lib/html5lib-python/commit/2c19b9899ab3a3e8bd0ca35e5d78544334204169 Use Node.from_parent() constructor to support pytest 6
 Patch0:         pytest6.patch
+# https://github.com/html5lib/html5lib-python/issues/541
+Patch1:         python-html5lib-no-mock.patch
 BuildRequires:  %{python_module Genshi}
 BuildRequires:  %{python_module lxml}
 BuildRequires:  %{python_module mock}