diff --git a/bochs.spec b/bochs.spec
index 0e3e0e0..5187481 100644
--- a/bochs.spec
+++ b/bochs.spec
@@ -1,6 +1,7 @@
+%define _hardened_build 1
 Name:           bochs
 Version:        2.5.1
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Portable x86 PC emulator
 Group:          Applications/Emulators
 License:        LGPLv2+
@@ -214,6 +215,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_prefix}/include/bochs/
 
 %changelog
+* Fri Apr 13 2012 Jon Ciesla <limburgher@gmail.com> - 2.5.1-4
+- Add hardened build.
+
 * Tue Mar 13 2012 Jon Ciesla <limburgher@gmail.com> - 2.5.1-3
 - Add devel package.