diff --git a/python-slixmpp.changes b/python-slixmpp.changes
index cb8f439..d4a2817 100644
--- a/python-slixmpp.changes
+++ b/python-slixmpp.changes
@@ -1,3 +1,15 @@
+-------------------------------------------------------------------
+Tue Feb 27 03:29:02 UTC 2024 - Steve Kowalik <steven.kowalik@suse.com>
+
+- Update to 1.8.5:
+  * Fix connection to Snikket instances (pep., mathieui)
+  * Performance fix for XEP-0115 queries
+  * New documentation listing projects using slixmpp (genghis)
+  * Bugfix and improvements (nicoco, mostly)
+- Switch to autosetup and pyproject macros.
+- Drop patch slixmpp-fix-legacyauth.patch, no longer required.
+- Update Source URL.
+
 -------------------------------------------------------------------
 Tue Dec  6 15:35:51 UTC 2022 - Michael Vetter <mvetter@suse.com>
 
diff --git a/python-slixmpp.spec b/python-slixmpp.spec
index 72372da..f490e77 100644
--- a/python-slixmpp.spec
+++ b/python-slixmpp.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-slixmpp
 #
-# Copyright (c) 2022 SUSE LLC
+# Copyright (c) 2024 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -16,29 +16,32 @@
 #
 
 
-%define skip_python2 1
-%define skip_python36 1
-%define _name   slixmpp
 Name:           python-slixmpp
-Version:        1.8.3
+Version:        1.8.5
 Release:        0
 Summary:        Python XMPP (Jabber) Library that Implements Everything as a Plugin
 License:        MIT
 URL:            https://slixmpp.readthedocs.io/
-Source:         https://lab.louiz.org/poezio/slixmpp/-/archive/slix-%{version}/slixmpp-slix-%{version}.tar.bz2
-# PATCH-FIX-OPENSUSE slixmpp-fix-legacyauth.patch nyov@nexnode.net -- Fix an error in legacyauth support.
-Patch0:         %{_name}-fix-legacyauth.patch
+Source:         https://codeberg.org/poezio/slixmpp/archive/slix-%{version}.tar.gz
 BuildRequires:  %{python_module Cython}
+BuildRequires:  %{python_module aiodns}
+BuildRequires:  %{python_module aiohttp}
+BuildRequires:  %{python_module cryptography}
 BuildRequires:  %{python_module devel >= 3.7}
-BuildRequires:  %{python_module dnspython}
+BuildRequires:  %{python_module pip}
+BuildRequires:  %{python_module setuptools}
+BuildRequires:  %{python_module wheel}
 BuildRequires:  %{python_module xml}
 BuildRequires:  fdupes
 BuildRequires:  gnupg
 BuildRequires:  pkgconfig
 BuildRequires:  python-rpm-macros
 BuildRequires:  pkgconfig(libidn)
+Requires:       python-aiodns
 Requires:       python-aiohttp
-Requires:       python-dnspython
+Requires:       python-cryptography
+Requires:       python-pyasn1
+Requires:       python-pyasn1-modules
 %python_subpackages
 
 %description
@@ -47,24 +50,23 @@ asyncio instead of threads. XEP (XMPP Extended Protocol) coverage is
 realized as plugins.
 
 %prep
-%setup -q -n %{_name}-slix-%{version}
-%patch0 -p1
+%autosetup -p1 -n slixmpp
 
 %build
 export CFLAGS="%{optflags}"
-%python_build
+%pyproject_wheel
 
 %install
-%python_install
+%pyproject_install
 %python_expand %fdupes %{buildroot}%{$python_sitearch}/
 
 %check
-%pyunittest -v tests
+%python_exec run_tests.py
 
 %files %{python_files}
 %license LICENSE
 %doc README.rst
-%{python_sitearch}/%{_name}/
-%{python_sitearch}/%{_name}-*
+%{python_sitearch}/slixmpp
+%{python_sitearch}/slixmpp-%{version}.dist-info
 
 %changelog
diff --git a/slix-1.8.5.tar.gz b/slix-1.8.5.tar.gz
new file mode 100644
index 0000000..16ced57
--- /dev/null
+++ b/slix-1.8.5.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e7f5c9275879788b6a9163a85281bde924faf871f508d07a0671a4668fb7d75f
+size 622476
diff --git a/slixmpp-fix-legacyauth.patch b/slixmpp-fix-legacyauth.patch
deleted file mode 100644
index 94b8e0f..0000000
--- a/slixmpp-fix-legacyauth.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- a/slixmpp/plugins/xep_0078/legacyauth.py
-+++ b/slixmpp/plugins/xep_0078/legacyauth.py
-@@ -106,7 +106,7 @@ class XEP_0078(BasePlugin):
-             stream_id = bytes(self.xmpp.stream_id, encoding='utf-8')
-             password = bytes(self.xmpp.password, encoding='utf-8')
- 
--            digest = hashlib.sha1(b'%s%s' % (stream_id, password)).hexdigest()
-+            digest = hashlib.sha1('%s%s' % (stream_id, password)).hexdigest()
-             iq['auth']['digest'] = digest
-         else:
-             log.warning('Authenticating via jabber:iq:auth Plain.')
diff --git a/slixmpp-slix-1.8.3.tar.bz2 b/slixmpp-slix-1.8.3.tar.bz2
deleted file mode 100644
index ab770be..0000000
--- a/slixmpp-slix-1.8.3.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:f30e243ee87ba093befb9f6a5e1b29facab1f512aa8955f1b9c7152fec37053f
-size 503002