diff --git a/python-docker.spec b/python-docker.spec
index 70879b9..bd66d6d 100644
--- a/python-docker.spec
+++ b/python-docker.spec
@@ -15,7 +15,7 @@
 
 Name:           python-%{srcname}
 Version:        4.2.1
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        A Python library for the Docker Engine API
 License:        ASL 2.0
 URL:            https://pypi.org/project/%{srcname}
@@ -116,6 +116,9 @@ cp -avr tests/ %{buildroot}%{_libexecdir}/installed-tests/%{name}/
 %endif # tests
 
 %changelog
+* Wed Jul 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 4.2.1-3
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
 * Fri Jul 10 2020 Miro Hrončok <mhroncok@redhat.com> - 4.2.1-2
 - Add docker[ssh] subpackage
 - Drop all manual requires