diff --git a/rrdtool.spec b/rrdtool.spec
index c32d38c..77da112 100644
--- a/rrdtool.spec
+++ b/rrdtool.spec
@@ -18,7 +18,7 @@
 Summary: Round Robin Database Tool to store and display time-series data
 Name: rrdtool
 Version: 1.7.2
-Release: 20%{?dist}
+Release: 21%{?dist}
 License: GPLv2+ with exceptions
 URL: https://oss.oetiker.ch/rrdtool/
 Source0: https://oss.oetiker.ch/%{name}/pub/%{name}-%{version}.tar.gz
@@ -408,6 +408,9 @@ LD_LIBRARY_PATH=%{buildroot}%{_libdir} php -n \
 %endif
 
 %changelog
+* Fri Jul 23 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.7.2-21
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
+
 * Fri Jun 04 2021 Python Maint <python-maint@redhat.com> - 1.7.2-20
 - Rebuilt for Python 3.10