diff --git a/python-ntplib.spec b/python-ntplib.spec
index f8d321c..35ae129 100644
--- a/python-ntplib.spec
+++ b/python-ntplib.spec
@@ -10,7 +10,7 @@
 %global with_tests 0
 Name:           python-ntplib
 Version:        0.3.3
-Release:        20%{?dist}
+Release:        21%{?dist}
 Summary:        Python module that offers a simple interface to query NTP servers
 
 License:        MIT
@@ -68,6 +68,9 @@ Python 3 version.
 %{python3_sitelib}/__pycache__/*
 
 %changelog
+* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.3.3-21
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Wed Jul 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.3.3-20
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild