diff --git a/python-oslo-versionedobjects.spec b/python-oslo-versionedobjects.spec
index b224a5a..e67a25c 100644
--- a/python-oslo-versionedobjects.spec
+++ b/python-oslo-versionedobjects.spec
@@ -8,7 +8,7 @@
 
 Name:       python-oslo-versionedobjects
 Version:    1.21.0
-Release:    3%{?dist}
+Release:    4%{?dist}
 Summary:    OpenStack common versionedobjects library
 
 Group:      Development/Languages
@@ -255,6 +255,9 @@ rm -rf .testrepository
 %endif
 
 %changelog
+* Tue Jun 19 2018 Miro Hrončok <mhroncok@redhat.com> - 1.21.0-4
+- Rebuilt for Python 3.7
+
 * Fri Feb 09 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1.21.0-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild