diff --git a/opensm.spec b/opensm.spec
index 1f2ed17..fd65bcb 100644
--- a/opensm.spec
+++ b/opensm.spec
@@ -14,7 +14,7 @@ Source6: opensm.launch
 Source7: opensm.rwtab
 Patch0:  opensm-3.3.17-prefix.patch
 
-BuildRequires: libibmad-devel = 1.3.9, libtool, bison, flex, byacc, systemd
+BuildRequires: libibmad-devel >= 1.3.9, libtool, bison, flex, byacc, systemd
 Requires: %{name}-libs = %{version}-%{release}, logrotate, rdma
 Requires(post): systemd
 Requires(preun): systemd