diff --git a/mingw32-gtk2.spec b/mingw32-gtk2.spec
index cab0c48..6fb9891 100644
--- a/mingw32-gtk2.spec
+++ b/mingw32-gtk2.spec
@@ -6,7 +6,7 @@
 
 Name:           mingw32-gtk2
 Version:        2.15.5
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        MinGW Windows Gtk2 library
 
 License:        LGPLv2+
@@ -28,7 +28,7 @@ Patch1001:      mingw32-gtk2-enable_static_build.patch
 
 BuildArch:      noarch
 
-BuildRequires:  mingw32-filesystem >= 40
+BuildRequires:  mingw32-filesystem >= 49
 BuildRequires:  mingw32-gcc
 BuildRequires:  mingw32-binutils
 
@@ -318,6 +318,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_mingw32_libdir}/gtk-2.0/modules/libgail.a
 
 %changelog
+* Fri Mar 13 2009 Richard W.M. Jones <rjones@redhat.com> - 2.15.5-2
+- Force build against latest mingw32-filesystem.
+
 * Sun Mar 8 2009 Erik van Pienbroek <epienbro@fedoraproject.org> - 2.15.5-1
 - Update to 2.15.5
 - Disable gdiplus support for now because of GNOME BZ#552678