diff --git a/dulwich-0.11.2.tar.gz b/dulwich-0.11.2.tar.gz
deleted file mode 100644
index ab8fdd3..0000000
--- a/dulwich-0.11.2.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a543e2798da5600fe73ed71470f67bcd92611f4e2491d0ed3a3b61c2f91cbf40
-size 290404
diff --git a/dulwich-0.12.0.tar.gz b/dulwich-0.12.0.tar.gz
new file mode 100644
index 0000000..ac4f2ab
--- /dev/null
+++ b/dulwich-0.12.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8f9070f37eec6175aab60d7064246b5b6453b2fab342589101f1c8feda0a0cc6
+size 293900
diff --git a/python-dulwich.changes b/python-dulwich.changes
index 812666d..e9de816 100644
--- a/python-dulwich.changes
+++ b/python-dulwich.changes
@@ -1,3 +1,26 @@
+-------------------------------------------------------------------
+Thu Jan 14 10:19:50 UTC 2016 - toddrme2178@gmail.com
+
+- Update to 0.12.0
+  + IMPROVEMENTS
+    * Add a `dulwich.archive` module that can create tarballs.
+      Based on code from Jonas Haag in klaus.
+    * Add a `dulwich.reflog` module for reading and writing reflogs.
+      (Jelmer Vernooij)
+    * Fix handling of ambiguous refs in `parse_ref` to make
+      it match the behaviour described in https://git-scm.com/docs/gitrevisions.
+      (Chris Bunney)
+    * Support Python3 in C modules. (Lele Gaifax)
+  + BUG FIXES
+    * Simplify handling of SSH command invocation.
+      Fixes quoting of paths. Thanks, Thomas Liebetraut. (#384)
+    * Fix inconsistent handling of trailing slashes for DictRefsContainer. (#383)
+    * Add hack to support thin packs duing fetch(), albeit while requiring the
+      entire pack file to be loaded into memory. (jsbain)
+  + CHANGES
+    * This will be the last release to support Python 2.6.
+- Implement update-alternatives
+
 -------------------------------------------------------------------
 Sat Dec  5 23:29:21 UTC 2015 - termim@gmail.com
 
diff --git a/python-dulwich.spec b/python-dulwich.spec
index 8072182..3a7467b 100644
--- a/python-dulwich.spec
+++ b/python-dulwich.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-dulwich
 #
-# Copyright (c) 2015 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -17,7 +17,7 @@
 
 
 Name:           python-dulwich
-Version:        0.11.2
+Version:        0.12.0
 Release:        0
 Url:            https://www.dulwich.io
 Summary:        Pure-Python Git Library
@@ -28,6 +28,8 @@ BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  fdupes
 BuildRequires:  python-Sphinx
 BuildRequires:  python-devel
+Requires(post): update-alternatives
+Requires(postun): update-alternatives
 %if 0%{?suse_version} && 0%{?suse_version} <= 1110
 %{!?python_sitearch: %global python_sitearch %(python -c "from distutils.sysconfig import get_python_lib; print get_python_lib(1)")}
 %endif
@@ -45,14 +47,42 @@ python setup.py build_sphinx && rm build/sphinx/html/.buildinfo
 
 %install
 python setup.py install --prefix=%{_prefix} --root=%{buildroot}
+
+# Prepare for update-alternatives usage
+mkdir -p %{buildroot}%{_sysconfdir}/alternatives
+for p in dulwich dul-receive-pack dul-upload-pack ; do
+    mv %{buildroot}%{_bindir}/$p %{buildroot}%{_bindir}/$p-%{py_ver}
+    ln -s -f %{_sysconfdir}/alternatives/$p %{buildroot}%{_bindir}/$p
+    # create a dummy target for /etc/alternatives/$p
+    touch %{buildroot}%{_sysconfdir}/alternatives/$p
+done
+
 %fdupes %{buildroot}
 
+%post
+"%_sbindir/update-alternatives" \
+   --install %{_bindir}/dulwich dulwich %{_bindir}/dulwich-%{py_ver} 30 \
+   --slave %{_bindir}/dul-receive-pack dul-receive-pack %{_bindir}/dul-receive-pack-%{py_ver} \
+   --slave %{_bindir}/dul-upload-pack dul-upload-pack %{_bindir}/dul-upload-pack-%{py_ver}
+
+%postun
+if [ $1 -eq 0 ] ; then
+    "%_sbindir/update-alternatives" --remove dulwich %{_bindir}/dulwich-%{py_ver}
+fi
+
 %files
 %defattr(-,root,root,-)
-%doc COPYING NEWS README.md build/sphinx/html
+%doc COPYING NEWS README.md 
+%doc build/sphinx/html
+%{_bindir}/dulwich
 %{_bindir}/dul-receive-pack
 %{_bindir}/dul-upload-pack
-%{_bindir}/dulwich
+%{_bindir}/dulwich-%{py_ver}
+%{_bindir}/dul-receive-pack-%{py_ver}
+%{_bindir}/dul-upload-pack-%{py_ver}
+%ghost %{_sysconfdir}/alternatives/dulwich
+%ghost %{_sysconfdir}/alternatives/dul-receive-pack
+%ghost %{_sysconfdir}/alternatives/dul-upload-pack
 %{python_sitearch}/*
 
 %changelog