diff --git a/python-slip.spec b/python-slip.spec
index 5e115e4..7668948 100644
--- a/python-slip.spec
+++ b/python-slip.spec
@@ -1,6 +1,6 @@
 Name:       python-slip
 Version:    0.6.4
-Release:    21%{?dist}
+Release:    22%{?dist}
 Summary:    Convenience, extension and workaround code for Python 2.x
 
 License:    GPLv2+
@@ -8,6 +8,7 @@ URL:        https://github.com/nphilipp/python-slip
 Source0:    https://github.com/nphilipp/python-slip/releases/download/python-slip-%{version}/python-slip-%{version}.tar.bz2
 BuildArch:  noarch
 
+BuildRequires: make
 BuildRequires:  python3
 BuildRequires:  python3-devel
 
@@ -82,6 +83,9 @@ make install PYTHON=%{__python3} DESTDIR=%buildroot
 %{python3_sitelib}/slip.dbus-%{version}-py%{python3_version}.egg-info
 
 %changelog
+* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.6.4-22
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Wed Jul 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.6.4-21
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild