diff --git a/flac.spec b/flac.spec
index efcd43d..5e2bf99 100644
--- a/flac.spec
+++ b/flac.spec
@@ -3,7 +3,7 @@
 Summary: An encoder/decoder for the Free Lossless Audio Codec
 Name: flac
 Version: 1.2.1
-Release: 11.%{gitdate}git%{gitrev}%{?dist}
+Release: 12.%{gitdate}git%{gitrev}%{?dist}
 License: BSD and GPLv2+ and GFDL
 Group: Applications/Multimedia
 
@@ -35,6 +35,7 @@ This package contains the command-line tools and documentation.
 %package libs
 Summary: Libraries for the Free Lossless Audio Codec
 Group: System Environment/Libraries
+Obsoletes: flac < 1.2.1-11
 
 %description libs
 FLAC stands for Free Lossless Audio Codec. Grossly oversimplified, FLAC
@@ -107,6 +108,9 @@ make -C test check FLAC__TEST_LEVEL=0 &> /dev/null
 %{_datadir}/aclocal/*.m4
 
 %changelog
+* Thu Dec 06 2012 Kalev Lember <kalevlember@gmail.com> - 1.2.1-12.20121204gita43f56
+- Added self-obsoletes to help multilib upgrades
+
 * Tue Dec 04 2012 Miroslav Lichvar <mlichvar@redhat.com> 1.2.1-11.20121204gita43f56
 - update to 20121204gita43f56
 - create libs subpackage