diff --git a/libX11.spec b/libX11.spec
index faad1cb..0b3a32b 100644
--- a/libX11.spec
+++ b/libX11.spec
@@ -8,7 +8,7 @@
 Summary: X.Org X11 libX11 runtime library
 Name: libX11
 Version: 0.99.3
-Release: 2
+Release: 3
 License: MIT/X11
 Group: System Environment/Libraries
 URL: http://www.x.org
@@ -21,6 +21,9 @@ BuildRequires: xorg-x11-xtrans-devel
 BuildRequires: libXau-devel
 BuildRequires: libXdmcp-devel
 
+# FIXME: check if still needed for X11R7
+Requires(pre): filesystem >= 2.3.6-1
+
 Obsoletes: XFree86-libs, xorg-x11-libs
 
 %description
@@ -233,6 +236,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_mandir}/man3x/*.3x*
 
 %changelog
+* Mon Nov 14 2005 Jeremy Katz <katzj@redhat.com> - 0.99.3-3
+- require newer filesystem package (#172610)
+
 * Fri Nov 11 2005 Mike A. Harris <mharris@redhat.com> 0.99.3-2
 - Moved _smp_mflags from 'make install' to 'make' invocation, duh.