diff --git a/startup-notification.spec b/startup-notification.spec
index 6a0300b..fa33c18 100644
--- a/startup-notification.spec
+++ b/startup-notification.spec
@@ -1,11 +1,12 @@
 Summary: Library for tracking application startup
 Name: startup-notification
 Version: 0.12
-Release: 20%{?dist}
+Release: 21%{?dist}
 URL: http://www.freedesktop.org/software/startup-notification/
 #VCS: git:git://git.freedesktop.org/git/startup-notification
 Source0: http://www.freedesktop.org/software/startup-notification/releases/%{name}-%{version}.tar.gz
 License: LGPLv2
+BuildRequires: make
 BuildRequires:  gcc
 BuildRequires: libX11-devel
 BuildRequires: libXt-devel
@@ -54,6 +55,9 @@ make install DESTDIR=$RPM_BUILD_ROOT
 %{_includedir}/*
 
 %changelog
+* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.12-21
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Wed Jul 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.12-20
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild