diff --git a/ucpp.spec b/ucpp.spec
index 3dd67ea..64bbb14 100644
--- a/ucpp.spec
+++ b/ucpp.spec
@@ -1,10 +1,11 @@
 Summary: Embeddable, quick, light and fully compliant ISO C99 preprocessor
 Name: ucpp
 Version: 1.3.5
-Release: 5%{?dist}
+Release: 6%{?dist}
 URL: https://gitlab.com/scarabeusiv/ucpp
 Source0: https://gitlab.com/scarabeusiv/ucpp/-/archive/%{version}/ucpp-%{version}.tar.bz2
 License: BSD
+BuildRequires: make
 BuildRequires: libtool
 Requires: %{name}-libs%{?_isa} = %{version}-%{release}
 
@@ -69,6 +70,9 @@ rm %{buildroot}%{_libdir}/libucpp.la
 %{_libdir}/pkgconfig/libucpp.pc
 
 %changelog
+* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.3.5-6
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Wed Jul 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.3.5-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild