diff --git a/build-2011.03.29.tar.gz b/build-2011.03.29.tar.gz
index 7f20583..1d8e64a 100644
--- a/build-2011.03.29.tar.gz
+++ b/build-2011.03.29.tar.gz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:9436cb4fe24a52e9fbe648daf1ff56b10da149f408d8c6ac66d8f692a85ea244
-size 264052
+oid sha256:1ae0cde5b38fecba0a55bfe736cc16f5f63ac5a1d41bda2befc4c3a0b8739f77
+size 265747
diff --git a/build.changes b/build.changes
index cc2ec9a..f32571a 100644
--- a/build.changes
+++ b/build.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Thu May 12 10:20:53 UTC 2011 - adrian@suse.de
+
+- conflict with old bsdtar (not supporting --chroot)
+
+-------------------------------------------------------------------
+Wed Apr 27 12:34:17 UTC 2011 - adrian@suse.de
+
+- revert to single cpu build default for debian packages
+
 -------------------------------------------------------------------
 Tue Mar 29 14:59:28 UTC 2011 - lnussel@suse.de
 
diff --git a/build.dsc b/build.dsc
index af2c10c..cade670 100644
--- a/build.dsc
+++ b/build.dsc
@@ -1,6 +1,6 @@
 Format: 1.0
 Source: build
-Version: 2011.01.20
+Version: 2011.03.29
 Binary: build
 Maintainer: Adrian Schroeter <adrian@suse.de>
 Architecture: all
diff --git a/build.spec b/build.spec
index c999226..8319a48 100644
--- a/build.spec
+++ b/build.spec
@@ -23,8 +23,8 @@ License:        GPLv2+
 Group:          Development/Tools/Building
 AutoReqProv:    on
 Summary:        A Script to Build SUSE Linux RPMs
-Version:        2011.03.29
-Release:        1
+Version: 2011.03.29
+Release: 0
 #!BuildIgnore:  build-mkbaselibs
 Source:         build-%{version}.tar.gz
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
@@ -36,9 +36,10 @@ Requires:       bash
 Requires:       perl
 Requires:       binutils
 Requires:       tar
+Conflicts:      bsdtar < 2.5.5
+%if 0%{?suse_version} > 1000
 # None of them are actually required for core features.
 # Perl helper scripts use them.
-%if 0%{?suse_version} > 1000
 Recommends:     perl(Date::Language)
 Recommends:     perl(Date::Parse)
 Recommends:     perl(LWP::UserAgent)