diff --git a/Handle-removed-packaging.version.LegacyVersion.patch b/Handle-removed-packaging.version.LegacyVersion.patch
new file mode 100644
index 0000000..990866b
--- /dev/null
+++ b/Handle-removed-packaging.version.LegacyVersion.patch
@@ -0,0 +1,62 @@
+From d53cf4b7b29204f34c65a875860e61e04fae98ec Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Dirk=20M=C3=BCller?= <dirk@dmllr.de>
+Date: Thu, 5 Jan 2023 09:46:40 +0100
+Subject: [PATCH] handle removed packaging.version.LegacyVersion (Fixes #83)
+sync from https://github.com/openSUSE/obs-service-set_version/commit/d53cf4b7b29204f34c65a875860e61e04fae98ec
+
+This also makes it python 3.x specific, which should be fine
+---
+ set_version | 15 +++++++++++----
+ 1 file changed, 11 insertions(+), 4 deletions(-)
+
+diff --git a/set_version b/set_version
+index d2a6925..58882c9 100755
+--- a/set_version
++++ b/set_version
+@@ -1,4 +1,4 @@
+-#!/usr/bin/python
++#!/usr/bin/python3
+ # -*- coding: utf-8 -*-
+ 
+ # A simple script to update version number in spec, dsc or arch linux files
+@@ -15,6 +15,7 @@
+ from __future__ import print_function
+ 
+ import argparse
++from contextlib import suppress
+ import glob
+ import os
+ import re
+@@ -26,7 +27,7 @@ import codecs
+ import logging
+ 
+ try:
+-    from packaging.version import LegacyVersion, Version, parse
++    from packaging.version import Version, parse
+ except ImportError:
+     HAS_PACKAGING = False
+     import warnings
+@@ -35,6 +36,9 @@ except ImportError:
+ else:
+     HAS_PACKAGING = True
+ 
++if HAS_PACKAGING:
++    with suppress(ImportError):
++        from packaging.version import LegacyVersion
+ 
+ if os.environ.get('DEBUG_SET_VERSION') == "1":
+     logging.getLogger().setLevel(logging.DEBUG)
+@@ -351,8 +355,11 @@ def _version_python_pip2rpm(version_pip):
+             v_rpm = v_rpm.replace('rc', '~xrc')
+             v_rpm = v_rpm.replace('.dev', '~dev')
+             version_rpm = v_rpm
+-    elif isinstance(v, LegacyVersion):
+-        # TODO(toabctl): handle setuptools style legacy version
++    else:
++        with suppress(NameError):
++            if isinstance(v, LegacyVersion):
++                # TODO(toabctl): handle setuptools style legacy version
++                pass
+         pass
+ 
+     return version_rpm
diff --git a/obs-service-set_version-0.5.14.tar.gz b/obs-service-set_version-0.5.14.tar.gz
index 555a491..fde05ba 100644
Binary files a/obs-service-set_version-0.5.14.tar.gz and b/obs-service-set_version-0.5.14.tar.gz differ
diff --git a/obs-service-set_version.spec b/obs-service-set_version.spec
index 343d86d..4ba6e2d 100644
--- a/obs-service-set_version.spec
+++ b/obs-service-set_version.spec
@@ -1,6 +1,6 @@
 Name:           obs-service-set_version
 Version:        0.5.14
-Release:        1
+Release:        2
 Summary:        Set the version in spec
 License:        GPL-2.0-or-later
 Group:          Development/Tools/Building
@@ -8,6 +8,7 @@ URL:            https://github.com/openSUSE/obs-service-set_version
 Source:         https://github.com/openSUSE/obs-service-set_version/archive/%{version}/%{name}-%{version}.tar.gz
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildArch:      noarch
+patch0:         Handle-removed-packaging.version.LegacyVersion.patch 
 BuildRequires:  python3-ddt python3-flake8 python3-packaging
 Requires:       python3
 Recommends:     python3-packaging
@@ -17,10 +18,9 @@ It is a service for building.You can quickly install it
 and update version in spec files.
 
 %prep
-%setup -q
+%autosetup -n %{name}-%{version} -p1
 
 %build
-sed -i -e "1 s,#!/usr/bin/python$,#!%{__python3}," set_version
 
 %check
 make test PYTHON=%{__python3}
@@ -36,6 +36,9 @@ install -m 0644 set_version.service %{buildroot}%{_prefix}/lib/obs/service
 %{_prefix}/lib/obs/service
 
 %changelog
+* Fri May 12 2023 liyanan <thistleslyn@163.com> - 0.5.14-2
+- Handle removed packaging.version.LegacyVersion
+
 * Wed Dec 29 2021 wulei <wulei80@huawei.com> - 0.5.14-1
 - DESC:package update