diff --git a/libXfixes.spec b/libXfixes.spec
index dc6251b..a95c3f3 100644
--- a/libXfixes.spec
+++ b/libXfixes.spec
@@ -5,7 +5,7 @@
 Summary: X Fixes library
 Name: libXfixes
 Version: 5.0
-Release: 6%{?gitdate:.%{gitdate}git%{gitversion}}%{?dist}
+Release: 7%{?gitdate:.%{gitdate}git%{gitversion}}%{?dist}
 License: MIT
 Group: System Environment/Libraries
 URL: http://www.x.org
@@ -18,9 +18,12 @@ Source2:    commitid
 Source0: http://xorg.freedesktop.org/archive/individual/lib/%{name}-%{version}.tar.bz2
 %endif
 
+Requires: libX11 >= 1.5.99.902
+
 BuildRequires: xorg-x11-util-macros
 BuildRequires: autoconf automake libtool
 BuildRequires: pkgconfig(fixesproto) pkgconfig(xext)
+BuildRequires: libX11-devel >= 1.5.99.902
 
 %description
 X Fixes library.
@@ -70,6 +73,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_mandir}/man3/Xfixes.3*
 
 %changelog
+* Mon May 27 2013 Peter Hutterer <peter.hutterer@redhat.com> - 5.0-7.20130524gitc480fe327
+- Require libX11 1.6RC2 for _XEatDataWords
+
 * Fri May 24 2013 Peter Hutterer <peter.hutterer@redhat.com> 5.0-6.20130524gitc480fe327
 - Update to latest git to fix the following CVEs:
 - CVE-2013-1983