diff --git a/mingw32-binutils.spec b/mingw32-binutils.spec
index 0505945..6ad8230 100644
--- a/mingw32-binutils.spec
+++ b/mingw32-binutils.spec
@@ -4,7 +4,7 @@
 
 Name:           mingw32-binutils
 Version:        %{binutils_version}_%{mingw32_binutils_rpmvers}
-Release:        8%{?dist}
+Release:        10%{?dist}
 Summary:        MinGW Windows binutils
 
 License:        GPLv2+ and LGPLv2+ and GPLv3+ and LGPLv3+
@@ -16,12 +16,10 @@ BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 BuildRequires:  flex
 BuildRequires:  bison
 BuildRequires:  texinfo
-BuildRequires:  mingw32-filesystem >= 26
+BuildRequires:  mingw32-filesystem >= 38
 
-Requires:       mingw32-filesystem >= 26
-
-Provides:       mingw-binutils = %{version}
-Obsoletes:      mingw-binutils < 2.18.50_20080109_2-8
+# NB: This must be left in.
+Requires:       mingw32-filesystem >= 38
 
 
 %description
@@ -76,6 +74,12 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Sat Nov 29 2008 Richard W.M. Jones <rjones@redhat.com> - 2.18.50_20080109_2-10
+- Must runtime-require mingw32-filesystem.
+
+* Fri Nov 21 2008 Levente Farkas <lfarkas@lfarkas.org> - 2.18.50_20080109_2-9
+- BR mingw32-filesystem >= 38
+
 * Wed Sep 24 2008 Richard W.M. Jones <rjones@redhat.com> - 2.18.50_20080109_2-8
 - Rename mingw -> mingw32.
 - BR mingw32-filesystem >= 26.