diff --git a/libtiff.spec b/libtiff.spec
index 7c1dd40..8d18583 100644
--- a/libtiff.spec
+++ b/libtiff.spec
@@ -1,7 +1,7 @@
 Summary: A library of functions for manipulating TIFF format image files.
 Name: libtiff
 Version: 3.7.1
-Release: 5
+Release: 6
 License: distributable
 Group: System Environment/Libraries
 Source0: http://www.libtiff.org/tiff-%{version}.tar.gz
@@ -10,6 +10,8 @@ Patch1: libtiff-3.5.7-dump.patch
 # http://bugzilla.remotesensing.org/show_bug.cgi?id=718, fixed in 3.7.2
 Patch2: libtiff-3.7.1-extrasamples.patch
 Patch3: libtiff-3.7.1-mktemp.patch
+# http://bugzilla.remotesensing.org/show_bug.cgi?id=843, fixed in 3.7.3
+Patch4: libtiff-3.7.1-persample.patch
 URL: http://www.libtiff.org/
 BuildRoot: %{_tmppath}/%{name}-root
 BuildRequires: zlib-devel zlib libjpeg-devel libjpeg
@@ -46,6 +48,7 @@ install the libtiff package.
 %patch1 -p1 -b .dump
 %patch2 -p1 -b .extrasamples
 %patch3 -p1 -b .mktemp
+%patch4 -p1 -b .persample
 
 %build
 
@@ -84,6 +87,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_mandir}/man3/*
 
 %changelog
+* Fri May  6 2005 Matthias Clasen <mclasen@redhat.com> - 3.7.1-6
+- Fix a stack overflow
+
 * Wed Mar  2 2005 Matthias Clasen <mclasen@redhat.com> - 3.7.1-5
 - Don't use mktemp