diff --git a/python-html5lib.spec b/python-html5lib.spec
index 0f6e53f..39edeac 100644
--- a/python-html5lib.spec
+++ b/python-html5lib.spec
@@ -2,7 +2,7 @@
 Name:           python-%{srcname}
 Summary:        A python based HTML parser/tokenizer
 Version:        1.1
-Release:        7%{?dist}
+Release:        8%{?dist}
 Epoch:          1
 License:        MIT
 URL:            https://github.com/html5lib/html5lib-python
@@ -26,7 +26,6 @@ BuildRequires:    python3-devel
 BuildRequires:    python3-setuptools
 
 # Test deps
-BuildRequires:  python3dist(mock)
 BuildRequires:  python3dist(pytest)
 BuildRequires:  python3dist(pytest-expect)
 BuildRequires:  python3dist(six)
@@ -47,6 +46,10 @@ specification for maximum compatibility with major desktop web browsers.
 %prep
 %autosetup -p1 -n %{srcname}-%{version}
 
+# Use standard library unittest.mock instead of 3rd party mock
+# From https://github.com/html5lib/html5lib-python/pull/536
+sed -i 's/from mock import/from unittest.mock import/' html5lib/tests/test_meta.py
+
 %build
 %py3_build
 
@@ -67,6 +70,9 @@ specification for maximum compatibility with major desktop web browsers.
 
 
 %changelog
+* Mon Jan 31 2022 Miro Hrončok <mhroncok@redhat.com> - 1:1.1-8
+- Use standard library unittest.mock instead of 3rd party mock
+
 * Fri Jan 21 2022 Fedora Release Engineering <releng@fedoraproject.org> - 1:1.1-7
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild