diff --git a/iperf3.spec b/iperf3.spec
index 620c9c1..b0a3506 100644
--- a/iperf3.spec
+++ b/iperf3.spec
@@ -1,6 +1,6 @@
 Name:           iperf3
 Version:        3.9
-Release:        5%{?dist}
+Release:        6%{?dist}
 Summary:        Measurement tool for TCP/UDP bandwidth performance
 
 License:        BSD
@@ -10,6 +10,7 @@ BuildRequires:  libuuid-devel
 BuildRequires:  gcc
 BuildRequires:  lksctp-tools-devel
 BuildRequires:  openssl-devel
+BuildRequires: make
 
 %description
 Iperf is a tool to measure maximum TCP bandwidth, allowing the tuning of
@@ -51,6 +52,9 @@ rm -f %{buildroot}%{_libdir}/libiperf.la
 %{_libdir}/*.so
 
 %changelog
+* Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 3.9-6
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Sat Oct 31 2020 Kevin Fenzi <kevin@scrye.com> - 3.9-5
 - Update to 3.9. Fixes bug #1846161