diff --git a/liquidwar.spec b/liquidwar.spec
index de1d98c..94d74df 100644
--- a/liquidwar.spec
+++ b/liquidwar.spec
@@ -1,6 +1,7 @@
+%define _hardened_build 1
 Name:           liquidwar
 Version:        5.6.4
-Release:        12%{?dist}
+Release:        13%{?dist}
 Summary:        Multiplayer wargame with liquid armies
 Group:          Amusements/Games
 License:        GPLv2+
@@ -220,6 +221,9 @@ fi
 
 
 %changelog
+* Fri Apr 13 2012 Jon Ciesla <limburgher@gmail.com> - 5.6.4-13
+- Add hardened build.
+
 * Mon Apr 09 2012 Jon Ciesla <limburgher@gmail.com> - 5.6.4-12
 - Patch for server buffer overflow, BZ 810607.
 - Changed unit file to simple.