diff --git a/python-ws4py.changes b/python-ws4py.changes
index 8c5e1ee..2e19ed8 100644
--- a/python-ws4py.changes
+++ b/python-ws4py.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Apr 28 15:49:52 UTC 2022 - pgajdos@suse.com
+
+- do not require python-mock for build
+
 -------------------------------------------------------------------
 Mon Feb 17 22:28:45 UTC 2020 - Julio González Gil <jgonzalez@suse.com>
 
diff --git a/python-ws4py.spec b/python-ws4py.spec
index c4c81ba..17efc0b 100644
--- a/python-ws4py.spec
+++ b/python-ws4py.spec
@@ -1,7 +1,7 @@
 #
-# spec file for package python-ws4py
+# spec file
 #
-# 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
@@ -40,7 +40,6 @@ BuildArch:      noarch
 %if %{with test}
 BuildRequires:  %{python_module gevent}
 BuildRequires:  %{python_module greenlet}
-BuildRequires:  %{python_module mock}
 BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module tornado}
 BuildRequires:  %{python_module ws4py = %{version}}
@@ -67,6 +66,8 @@ rm test/test_cherrypy.py
 
 %if %{with test}
 %check
+# This repository has been archived by the owner. It is now read-only.
+sed -i 's:from mock:from unittest.mock:' test/test_*.py
 %pytest
 %endif