diff --git a/perl-Date-Calc.spec b/perl-Date-Calc.spec
index 12b8bf4..fcc88f5 100644
--- a/perl-Date-Calc.spec
+++ b/perl-Date-Calc.spec
@@ -1,12 +1,13 @@
 Name:           perl-Date-Calc
 Version:        6.4
-Release:        17%{?dist}
+Release:        18%{?dist}
 Summary:        Gregorian calendar date calculations
 License:        GPL+ or Artistic
 URL:            https://metacpan.org/release/Date-Calc
 Source0:        https://cpan.metacpan.org/authors/id/S/ST/STBEY/Date-Calc-%{version}.tar.gz
 BuildArch:      noarch
 # Build
+BuildRequires: make
 BuildRequires:  perl-interpreter
 BuildRequires:  perl-generators
 BuildRequires:  perl(ExtUtils::MakeMaker) >= 6.76
@@ -64,6 +65,9 @@ make test
 
 
 %changelog
+* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 6.4-18
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Tue Jul 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 6.4-17
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild