diff --git a/krb5-doc.spec b/krb5-doc.spec
index 9aa3bc4..2b4bed7 100644
--- a/krb5-doc.spec
+++ b/krb5-doc.spec
@@ -21,7 +21,7 @@
 Name:           krb5-doc
 BuildRequires:  ghostscript-library latex2html texlive
 Version:        1.6.3
-Release:        130
+Release:        131
 %define srcRoot krb5-1.6.3
 Summary:        MIT Kerberos5 Implementation--Documentation
 License:        X11/MIT
diff --git a/krb5-plugins.spec b/krb5-plugins.spec
index 5b5dfc1..a8e3536 100644
--- a/krb5-plugins.spec
+++ b/krb5-plugins.spec
@@ -21,7 +21,7 @@
 
 Name:           krb5-plugins
 Version:        1.6.3
-Release:        13
+Release:        14
 BuildRequires:  bison krb5-devel ncurses-devel openldap2-devel
 %define srcRoot krb5-1.6.3
 %define vendorFiles %{_builddir}/%{srcRoot}/vendor-files/
diff --git a/krb5.changes b/krb5.changes
index 957b631..4abfee0 100644
--- a/krb5.changes
+++ b/krb5.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Oct 30 12:34:56 CET 2008 - olh@suse.de
+
+- obsolete old -XXbit packages (bnc#437293)
+
 -------------------------------------------------------------------
 Fri Sep 26 18:13:19 CEST 2008 - mc@suse.de
 
diff --git a/krb5.spec b/krb5.spec
index 32b22dd..fba1d50 100644
--- a/krb5.spec
+++ b/krb5.spec
@@ -20,7 +20,7 @@
 
 Name:           krb5
 Version:        1.6.3
-Release:        82
+Release:        83
 BuildRequires:  bison libcom_err-devel ncurses-devel
 %if %{suse_version} > 1010
 BuildRequires:  keyutils keyutils-devel
@@ -30,6 +30,14 @@ BuildRequires:  keyutils keyutils-devel
 %define krb5docdir  %{_defaultdocdir}/%{name}
 Provides:       heimdal-lib
 Obsoletes:      heimdal-lib
+# bug437293
+%ifarch ppc64
+Obsoletes:      krb5-64bit
+%endif
+%ifarch  %ix86 ppc
+Obsoletes:      krb5-32bit
+%endif
+#
 Summary:        MIT Kerberos5 Implementation--Libraries
 License:        X11/MIT
 Url:            http://web.mit.edu/kerberos/www/
@@ -147,6 +155,14 @@ Requires:       keyutils-devel
 %endif
 Provides:       heimdal-tools-devel, heimdal-devel
 Obsoletes:      heimdal-tools-devel, heimdal-devel
+# bug437293
+%ifarch ppc64
+Obsoletes:      krb5-devel-64bit
+%endif
+%ifarch  %ix86 ppc
+Obsoletes:      krb5-devel-32bit
+%endif
+#
 
 %description devel
 Kerberos V5 is a trusted-third-party network authentication system,
@@ -561,6 +577,8 @@ rm -rf %{buildroot}
 %{_mandir}/man1/krb5-config.1*
 
 %changelog
+* Thu Oct 30 2008 olh@suse.de
+- obsolete old -XXbit packages (bnc#437293)
 * Fri Sep 26 2008 mc@suse.de
 - in case we use ldap as database backend, ldap should be
   started before krb5kdc