diff --git a/totem.spec b/totem.spec
index 799ee5b..770eeea 100644
--- a/totem.spec
+++ b/totem.spec
@@ -2,11 +2,12 @@
 %define gstreamer_plugins_base_version	0.10.14-3
 %define gstreamer_plugins_good_version	0.10.0
 %define gtk2_version	2.12.1
+%define gecko_version	1.9
 
 Summary: Movie player for GNOME 2
 Name: totem
 Version: 2.21.2
-Release: 1%{?dist} 
+Release: 2%{?dist} 
 License: GPLv2 with exception
 Group: Applications/Multimedia
 URL: http://www.gnome.org/projects/totem/
@@ -37,7 +38,7 @@ BuildRequires: gstreamer-plugins-good >= %gstreamer_plugins_good_version
 BuildRequires: gnome-desktop-devel >= 2.6.0, gnome-vfs2-devel, libglade2-devel
 BuildRequires: perl(XML::Parser)
 BuildRequires: iso-codes-devel
-BuildRequires: firefox-devel
+BuildRequires: gecko-devel = %gecko_version
 BuildRequires: gnome-icon-theme
 BuildRequires: nautilus-devel
 BuildRequires: libXtst-devel
@@ -62,6 +63,7 @@ a pretty complete keyboard navigation.
 %package mozplugin
 Summary: Mozilla plugin for Totem
 Group: Applications/Internet
+Requires: gecko-devel = %gecko_version
 
 %description mozplugin
 Totem is simple movie player for the Gnome desktop. The mozilla plugin
@@ -266,6 +268,9 @@ fi
 %{_libdir}/*so
 
 %changelog
+* Wed Nov 21 2007 - Bastien Nocera <bnocera@redhat.com> - 2.21.2-2
+- Try to build against xulrunner
+
 * Mon Nov 12 2007 - Bastien Nocera <bnocera@redhat.com> - 2.21.2-1
 - Update to 2.21.2