diff --git a/xrestop.spec b/xrestop.spec
index e5c122e..92cc8fe 100644
--- a/xrestop.spec
+++ b/xrestop.spec
@@ -1,11 +1,12 @@
 Summary: X Resource Monitor
 Name: xrestop
 Version: 0.4
-Release: 26%{?dist}
+Release: 27%{?dist}
 License: GPLv2+
 URL: http://www.freedesktop.org/Software/xrestop
 Source0: %{name}-%{version}.tar.gz
 
+BuildRequires: make
 BuildRequires:  gcc
 BuildRequires: ncurses-devel libXres-devel libXext-devel libX11-devel
 BuildRequires: libXau-devel
@@ -34,6 +35,9 @@ make DESTDIR="$RPM_BUILD_ROOT" install
 %{_mandir}/man1/xrestop.1*
 
 %changelog
+* Thu Jan 28 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.4-27
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Wed Jul 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.4-26
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild