diff --git a/base64-bytestring-1.0.0.0.tar.gz b/base64-bytestring-1.0.0.0.tar.gz
deleted file mode 100644
index 004806f..0000000
--- a/base64-bytestring-1.0.0.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:759fbb0f8f3ff26c4ad3e71fbcccfd472bc1a4eefe4b5508ce78a8793305197c
-size 8861
diff --git a/base64-bytestring-1.0.0.1.tar.gz b/base64-bytestring-1.0.0.1.tar.gz
new file mode 100644
index 0000000..77add06
--- /dev/null
+++ b/base64-bytestring-1.0.0.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ab25abf4b00a2f52b270bc3ed43f1d59f16c8eec9d7dffb14df1e9265b233b50
+size 9080
diff --git a/ghc-base64-bytestring.changes b/ghc-base64-bytestring.changes
index 8e1ca7b..f651468 100644
--- a/ghc-base64-bytestring.changes
+++ b/ghc-base64-bytestring.changes
@@ -1,3 +1,17 @@
+-------------------------------------------------------------------
+Mon May 13 12:56:05 UTC 2013 - peter.trommler@ohm-hochschule.de
+
+- new packaging guidelines
+* no macros spanning multiple spec file sections 
+
+-------------------------------------------------------------------
+Mon May 13 12:54:45 UTC 2013 - peter.trommler@ohm-hochschule.de
+
+- update to 1.0.0.1 from upstream
+- performance improvements
+* encoding 5%
+* decodeLenient 50% 
+
 -------------------------------------------------------------------
 Sun Nov 18 11:05:29 UTC 2012 - peter.trommler@ohm-hochschule.de
 
diff --git a/ghc-base64-bytestring.spec b/ghc-base64-bytestring.spec
index f9fcc22..d48fb69 100644
--- a/ghc-base64-bytestring.spec
+++ b/ghc-base64-bytestring.spec
@@ -1,9 +1,7 @@
 #
-# spec file for ghc-base64-bytestring
+# spec file for package ghc-base64-bytestring
 #
-
-# Copyright (c) 2012 Herbert Graeber <herbert@graeber-clan.de>
-# Copyright (c) 2012 Peter Trommler <peter.trommler@ohm-hochschule.de>
+# Copyright (c) 2013 SUSE LINUX Products GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -17,58 +15,63 @@
 # Please submit bugfixes or comments via http://bugs.opensuse.org/
 #
 
-# cabal2spec-0.25
-# https://fedoraproject.org/wiki/Packaging:Haskell
-# https://fedoraproject.org/wiki/PackagingDrafts/Haskell
 
 %global pkg_name base64-bytestring
 
-%global common_summary Haskell %{pkg_name} library
-
-%global common_description A %{pkg_name} library for Haskell.
-
-Name:           ghc-%{pkg_name}
-Version:        1.0.0.0
-Release:        1
-Summary:        %{common_summary}
-
-Group:          System/Libraries
+Name:           ghc-base64-bytestring
+Version:        1.0.0.1
+Release:        0
+Summary:        Haskell base64 encoding and decoding for ByteStrings
 License:        BSD-3-Clause
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
-# BEGIN cabal2spec
-URL:            http://hackage.haskell.org/package/%{pkg_name}
+Group:          System/Libraries          
+
+Url:            http://hackage.haskell.org/package/%{pkg_name}
 Source0:        http://hackage.haskell.org/packages/archive/%{pkg_name}/%{version}/%{pkg_name}-%{version}.tar.gz
-ExclusiveArch:  %{ix86} x86_64 %{ghc_arches}
+BuildRoot:      %{_tmppath}/%{name}-%{version}-build
+
 BuildRequires:  ghc-Cabal-devel
-BuildRequires:  ghc-rpm-macros %{!?without_hscolour:hscolour}
-# END cabal2spec
+BuildRequires:  ghc-rpm-macros
+# Begin cabal-rpm deps:
+BuildRequires:  ghc-bytestring-devel
+# End cabal-rpm deps
 
 %description
-%{common_description}
+Haskell library for fast base64 encoding and decoding for ByteStrings.
+
+
+%package devel
+Summary:        Haskell %{pkg_name} library development files
+Group:          Development/Libraries/Other          
+Requires:       ghc-compiler
+Requires(post): ghc-compiler
+Requires(postun): ghc-compiler
+Requires:       %{name} = %{version}-%{release}
+
+%description devel
+Fast base64 encoding and decoding for ByteStrings library development files.
 
 
 %prep
 %setup -q -n %{pkg_name}-%{version}
 
-
 %build
 %ghc_lib_build
 
-
 %install
 %ghc_lib_install
 
+%post devel
+%ghc_pkg_recache
 
-# devel subpackage
-%ghc_devel_package
+%postun devel
+%ghc_pkg_recache
 
-%ghc_devel_description
-
-
-%ghc_devel_post_postun
-
-
-%ghc_files LICENSE
+%files -f %{name}.files
+%defattr(-,root,root)
+%doc LICENSE
 
+%files devel -f %{name}-devel.files
+%defattr(-,root,root)
+%doc README.markdown
 
 %changelog