diff --git a/opensm.spec b/opensm.spec
index 8873ed0..5489a77 100644
--- a/opensm.spec
+++ b/opensm.spec
@@ -2,7 +2,7 @@
 
 Name:    opensm
 Version: 3.3.23
-Release: 5%{?dist}
+Release: 6%{?dist}
 Summary: OpenIB InfiniBand Subnet Manager and management utilities
 License: GPLv2 or BSD
 Url:     https://github.com/linux-rdma/opensm
@@ -15,6 +15,7 @@ Source6: opensm.launch
 Source7: opensm.rwtab
 Source8: opensm.partitions
 
+BuildRequires: make
 BuildRequires:  gcc
 BuildRequires: libibumad-devel, systemd, systemd-units
 BuildRequires: bison, flex, byacc
@@ -120,6 +121,9 @@ fi
 %{_libdir}/lib*.a
 
 %changelog
+* Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 3.3.23-6
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Thu Dec 10 2020 Timm Bäder <tbaeder@redhat.com> 3.3.23.5
 - Use make macros
   https://docs.fedoraproject.org/en-US/packaging-guidelines/#_parallel_make