diff --git a/python-openopt.spec b/python-openopt.spec
index fc7bc7d..2a1146b 100644
--- a/python-openopt.spec
+++ b/python-openopt.spec
@@ -1,6 +1,6 @@
 Name:           python-openopt
 Version:        0.5629
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        A python module for numerical optimization
 
 License:        BSD
@@ -69,6 +69,9 @@ rm -rf %{buildroot}%{python3_sitelib}/openopt/examples
 %{python3_sitelib}/openopt-%{version}-py%{python3_version}.egg-info
 
 %changelog
+* Wed Jul 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.5629-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
 * Tue May 26 2020 Miro Hrončok <mhroncok@redhat.com> - 0.5629-3
 - Rebuilt for Python 3.9