diff --git a/lm_sensors.spec b/lm_sensors.spec
index 5ac1bf5..4ed7a49 100644
--- a/lm_sensors.spec
+++ b/lm_sensors.spec
@@ -1,6 +1,6 @@
 Name: lm_sensors
 Version: 2.9.1
-Release: 3
+Release: 4
 URL: http://secure.netroedge.com/~lm78/
 Source: http://secure.netroedge.com/~lm78/archive/lm_sensors-%{version}.tar.gz
 Source1: lm_sensors.sysconfig
@@ -13,6 +13,7 @@ Patch5: lm_sensors-2.8.3-local.patch
 Patch6: lm_sensors-2.8.3-rpath.patch
 Patch7: lm_sensors-2.8.7-udev.patch
 Patch8: lm_sensors-2.9.1-kernel26.patch
+Patch9: lm_sensors-2.9.1-pwconfig.patch
 Summary: Hardware monitoring tools.
 Group: Applications/System
 License: GPL
@@ -45,10 +46,12 @@ when building applications that make use of sensor data.
 %patch6 -p1 -b .rpath
 %patch7 -p1 -b .udev
 %patch8 -p1 -b .kernel26
+%patch9 -p1 -b .pwconfig
 
 %build
 mkdir -p kernel/include/linux
 ln -sf /usr/include/linux/* kernel/include/linux
+export CFLAGS="%{optflags}"
 make prefix=/usr exec_prefix=/usr bindir=/usr/bin sbindir=/usr/sbin sysconfdir=/etc datadir=/usr/share includedir=/usr/include libdir=%{_libdir} libexecdir=/usr/libexec localstatedir=/var sharedstatedir=/usr/com mandir=/usr/share/man infodir=/usr/share/info user
 
 %install
@@ -99,6 +102,11 @@ fi
 %{_libdir}/lib*.so
 
 %changelog
+* Tue Sep 01 2005 Phil Knirsch <pknirsch@redhat.com> 2.9.1-4
+- Fixed CAN-2005-2672 lm_sensors pwmconfig insecure temporary file usage
+  (#166673)
+- Fixed missing optflags during build (#166910)
+
 * Mon May 23 2005 Phil Knirsch <pknirsch@redhat.com> 2.9.1-3
 - Update to lm_sensors-2.9.1
 - Fixed wrong/missing location variables for make user