diff --git a/rrdtool.spec b/rrdtool.spec
index 34009d5..071b3ab 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: 15%{?dist}
+Release: 16%{?dist}
 License: GPLv2+ with exceptions
 URL: https://oss.oetiker.ch/rrdtool/
 Source0: https://oss.oetiker.ch/%{name}/pub/%{name}-%{version}.tar.gz
@@ -34,6 +34,7 @@ Requires: dejavu-sans-mono-fonts
 Requires(post): systemd
 Requires(preun): systemd
 Requires(postun): systemd
+BuildRequires: make
 BuildRequires: gcc-c++, openssl-devel, freetype-devel
 BuildRequires: libpng-devel, zlib-devel, intltool >= 0.35.0
 BuildRequires: cairo-devel >= 1.4.6, pango-devel >= 1.17
@@ -393,6 +394,9 @@ LD_LIBRARY_PATH=%{buildroot}%{_libdir} php -n \
 %endif
 
 %changelog
+* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.7.2-16
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Wed Jan 06 2021 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.7.2-15
 - F-34: rebuild against ruby 3.0