diff --git a/autobahn-20.4.2.tar.gz b/autobahn-20.4.2.tar.gz
deleted file mode 100644
index c888e59..0000000
--- a/autobahn-20.4.2.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1c943f94bb759c07445a6984a3bc4c76f73e2a90a1fc2c3521c211579b73d3db
-size 930427
diff --git a/autobahn-20.6.1.tar.gz b/autobahn-20.6.1.tar.gz
new file mode 100644
index 0000000..6e4f8e5
--- /dev/null
+++ b/autobahn-20.6.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:848aa77f808edcdc9144706d98f06fccb1c6ac8619f7418617880c27b285a7d0
+size 1259693
diff --git a/python-autobahn.changes b/python-autobahn.changes
index 2cdb2a2..7e17c84 100644
--- a/python-autobahn.changes
+++ b/python-autobahn.changes
@@ -1,3 +1,31 @@
+-------------------------------------------------------------------
+Mon Jun 15 04:37:00 UTC 2020 - Steve Kowalik <steven.kowalik@suse.com>
+
+- Update to 20.6.1:
+  * new: massive expansion of XBR CLI and EIP712 helpers
+  * new: more (exhaustive) serializer cross-tripping tests
+  * fix: some code quality and bug-risk issues (#1379)
+  * fix: removed externalPort assignment when not set (#1378)
+  * fix: docs link in README (#1381)
+  * fix: docs typo frameword -> framework (#1380)
+  * fix: improve logging; track results on observable mixin
+  * new: add environmental variable that strips xbr. (#1374)
+  * fix: trollius is gone (#1373)
+  * new: added ability to disable TLS channel binding (#1368)
+- Correct BuildRequires/Requires (boo#1172126)
+
+-------------------------------------------------------------------
+Sun Jun 14 08:49:49 UTC 2020 - Dirk Mueller <dmueller@suse.com>
+
+- update to 20.4.3:
+  * new: XBR CLI (#1367)
+  * fix: add missing XBR dependency py-multihash
+
+-------------------------------------------------------------------
+Wed May 27 09:36:10 UTC 2020 - Petr Gajdos <pgajdos@suse.com>
+
+- %python3_only -> %python_alternative
+
 -------------------------------------------------------------------
 Mon Apr 20 05:41:32 UTC 2020 - Steve Kowalik <steven.kowalik@suse.com>
 
diff --git a/python-autobahn.spec b/python-autobahn.spec
index c839dbe..f73d117 100644
--- a/python-autobahn.spec
+++ b/python-autobahn.spec
@@ -19,7 +19,7 @@
 %{?!python_module:%define python_module() python-%{**} %{!?skip_python3:python3-%{**}}}
 %define skip_python2 1
 Name:           python-autobahn
-Version:        20.4.2
+Version:        20.6.1
 Release:        0
 Summary:        WebSocket and WAMP in Python for Twisted and asyncio
 License:        MIT
@@ -28,8 +28,9 @@ Source:         https://files.pythonhosted.org/packages/source/a/autobahn/autoba
 Patch0:         respect-cflags.patch
 BuildRequires:  %{python_module PyNaCl >= 1.0.1}
 BuildRequires:  %{python_module PyQRCode >= 1.1}
-BuildRequires:  %{python_module Twisted >= 12.1.0}
+BuildRequires:  %{python_module Twisted >= 20.3.0}
 BuildRequires:  %{python_module argon2-cffi >= 18.1.0}
+BuildRequires:  %{python_module attrs >= 19.2.0}
 BuildRequires:  %{python_module cbor >= 1.0.0}
 BuildRequires:  %{python_module cbor2 >= 4.1.2}
 BuildRequires:  %{python_module cffi >= 1.11.5}
@@ -53,9 +54,10 @@ BuildRequires:  %{python_module wsaccel >= 0.6.2}
 BuildRequires:  %{python_module zope.interface >= 3.6.0}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
+Requires:       python-attrs >= 19.2.0
 Requires:       python3-PyNaCl >= 1.0.1
 Requires:       python3-PyQRCode >= 1.1
-Requires:       python3-Twisted >= 12.1.0
+Requires:       python3-Twisted >= 20.3.0
 Requires:       python3-argon2-cffi >= 18.1.0
 Requires:       python3-cbor >= 1.0.0
 Requires:       python3-cbor2 >= 4.1.2
@@ -72,6 +74,8 @@ Requires:       python3-txaio >= 18.8.1
 Requires:       python3-ujson >= 1.35
 Requires:       python3-wsaccel >= 0.6.2
 Requires:       python3-zope.interface >= 3.6.0
+Requires(post): update-alternatives
+Requires(postun): update-alternatives
 %python_subpackages
 
 %description
@@ -93,6 +97,8 @@ export CFLAGS="%{optflags}"
 %install
 export AUTOBAHN_USE_NVX=true
 %python_install
+%python_clone -a %{buildroot}%{_bindir}/wamp
+%python_clone -a %{buildroot}%{_bindir}/xbrnetwork
 %python_expand %fdupes %{buildroot}%{$python_sitearch}
 
 %check
@@ -102,10 +108,17 @@ export PYTHONDONTWRITEBYTECODE=1
 export PY_IGNORE_IMPORTMISMATCH=1
 %pytest_arch
 
+%post
+%python_install_alternative wamp xbrnetwork
+
+%postun
+%python_uninstall_alternative wamp xbrnetwork
+
 %files %{python_files}
 %license LICENSE
 %doc README.rst
 %{python_sitearch}/*
-%python3_only %{_bindir}/wamp
+%python_alternative %{_bindir}/wamp
+%python_alternative %{_bindir}/xbrnetwork
 
 %changelog