diff --git a/evolution-data-server.spec b/evolution-data-server.spec
index a721fba..5d548a9 100644
--- a/evolution-data-server.spec
+++ b/evolution-data-server.spec
@@ -6,7 +6,7 @@
 Summary: Backend data server for evolution
 Name: evolution-data-server
 Version: 1.0.2
-Release: 5
+Release: 6
 License: GPL
 Group: System Environment/Libraries
 Source0: ftp://ftp.gnome.org/pub/gnome/sources/evolution-data-server/1.0/%{name}-%{version}.tar.bz2
@@ -18,6 +18,9 @@ Patch4: evolution-data-server-1.0.2-fix-calendar-factory-GType.patch
 # Patch for Red Hat bug #141283 (in Ximian bugzilla as 59904)
 Patch5: evolution-data-server-1.0.2-calendar-optimisation-XB59904.patch
 
+# Patch for another part of bug #141283 (in Ximian bugzilla as 70267)
+Patch6: evolution-data-server-1.0.2-calendar-optimisation-XB70267.patch
+
 BuildRoot: %{_tmppath}/%{name}-root
 Requires: libsoup >= %{soup_version}
 Requires: ORBit2 >= %{orbit2_version}
@@ -49,9 +52,13 @@ evolution-data-server.
 %patch3 -p1 -b .workaround-cal-backend-leak
 %patch4 -p1 -b .fix-calendar-factory-GType
 
+
 cd calendar
 %patch5 -p0 -b .calendar-optimisation-XB59904
 
+cd ..
+%patch6 -p0 -b .calendar-optimisation-XB70267
+
 %build
 export tagname=CC
 CFLAGS="$RPM_OPT_FLAGS -fPIC"; export CFLAGS
@@ -94,6 +101,11 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Tue Dec  7 2004 David Malcolm <dmalcolm@redhat.com> - 1.0.2-6
+- Amortize writes to a local cache of a webcal calendar, fixing further aspect of #141283 (upstream bugzilla #70267), as posted to mailing list here:
+http://lists.ximian.com/archives/public/evolution-patches/2004-December/008338.html
+(The groupwise part of that patch did not cleanly apply, so I removed it).
+
 * Thu Dec  2 2004 David Malcolm <dmalcolm@redhat.com> - 1.0.2-5
 - Added fix for #141283 (upstream bugzilla XB 59904), a backported calendar 
 optimisation patch posted to upstream development mailing list here: