diff --git a/lldpad.spec b/lldpad.spec
index d2d56b9..6a5a07a 100644
--- a/lldpad.spec
+++ b/lldpad.spec
@@ -1,6 +1,9 @@
+# https://fedoraproject.org/wiki/Packaging:Guidelines#Compiler_flags
+%define _hardened_build 1
+
 Name:               lldpad
 Version:            0.9.43
-Release:            3%{?dist}
+Release:            4%{?dist}
 Summary:            Intel LLDP Agent
 Group:              System Environment/Daemons
 License:            GPLv2
@@ -163,6 +166,9 @@ fi
 %{_libdir}/pkgconfig/*.pc
 
 %changelog
+* Fri Sep 23 2011 Petr Sabata <contyk@redhat.com> - 0.9.43-4
+- Enable hardened build
+
 * Tue Sep 13 2011 Petr Sabata <contyk@redhat.com> - 0.9.43-3
 - Mute systemd output (#737897)