diff --git a/_service b/_service
index 587fd53..f9b3fa9 100644
--- a/_service
+++ b/_service
@@ -1,8 +1,8 @@
 <services>
   <service mode="disabled" name="renderspec">
-    <param name="input-template">https://opendev.org/openstack/rpm-packaging/raw/branch/stable/victoria/openstack/oslo.concurrency/oslo.concurrency.spec.j2</param>
+    <param name="input-template">https://opendev.org/openstack/rpm-packaging/raw/branch/master/openstack/oslo.concurrency/oslo.concurrency.spec.j2</param>
     <param name="output-name">python-oslo.concurrency.spec</param>
-    <param name="requirements">https://opendev.org/openstack/oslo.concurrency/raw/branch/stable/victoria/requirements.txt</param>
+    <param name="requirements">https://opendev.org/openstack/oslo.concurrency/raw/branch/master/requirements.txt</param>
     <param name="changelog-email">cloud-devel@suse.de</param>
     <param name="changelog-provider">gh,openstack,oslo.concurrency</param>
   </service>
diff --git a/oslo.concurrency-4.3.0.tar.gz b/oslo.concurrency-4.3.0.tar.gz
deleted file mode 100644
index f602d21..0000000
--- a/oslo.concurrency-4.3.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:76a662a4c430f5245f739cd4ecd8b4f365dfdac0aeef26ed917823f3b31fc54f
-size 54698
diff --git a/oslo.concurrency-4.5.1.tar.gz b/oslo.concurrency-4.5.1.tar.gz
new file mode 100644
index 0000000..94e84a0
--- /dev/null
+++ b/oslo.concurrency-4.5.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6869b946b93d95babf20cd16be06fc35a5ec14d07ea2c1f315f4ac6ea5f0da17
+size 59126
diff --git a/python-oslo.concurrency.changes b/python-oslo.concurrency.changes
index ab688e0..081a20e 100644
--- a/python-oslo.concurrency.changes
+++ b/python-oslo.concurrency.changes
@@ -1,3 +1,26 @@
+-------------------------------------------------------------------
+Tue May 24 21:18:02 UTC 2022 - cloud-devel@suse.de
+
+- update to version 4.5.1
+  - Add support for non-blocking locks
+  - Use TOX_CONSTRAINTS_FILE
+  - Dropping lower constraints testing
+  - Remove references to 'sys.version_info'
+  - Update CI to use unversioned jobs template
+  - Add Python3 wallaby unit tests
+  - Adding pre-commit
+  - Fix RequiredOptError when missing lock_path
+  - Remove unnecessary unicode prefixes
+  - Monkey patch original current_thread _active in processutils
+  - Use py3 as the default runtime for tox
+  - Update master for stable/victoria
+  - Allow python_exec kwarg to be None
+  - Move flake8 as a pre-commit local target.
+  - Add Python3 yoga unit tests
+  - setup.cfg: Replace dashes with underscores
+  - Remove lower-constraints remnants
+  - Update python testing classifier
+
 -------------------------------------------------------------------
 Fri Oct  9 19:10:17 UTC 2020 - cloud-devel@suse.de
 
diff --git a/python-oslo.concurrency.spec b/python-oslo.concurrency.spec
index c767aab..d124719 100644
--- a/python-oslo.concurrency.spec
+++ b/python-oslo.concurrency.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-oslo.concurrency
 #
-# Copyright (c) 2020 SUSE LLC
+# Copyright (c) 2022 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -17,18 +17,17 @@
 
 
 Name:           python-oslo.concurrency
-Version:        4.3.0
+Version:        4.5.1
 Release:        0
 Summary:        OpenStack oslo.concurrency library
 License:        Apache-2.0
 Group:          Development/Languages/Python
-URL:            https://launchpad.net/oslo.concurrency
-Source0:        https://files.pythonhosted.org/packages/source/o/oslo.concurrency/oslo.concurrency-4.3.0.tar.gz
+URL:            https://docs.openstack.org/oslo.concurrency
+Source0:        https://files.pythonhosted.org/packages/source/o/oslo.concurrency/oslo.concurrency-4.5.1.tar.gz
 BuildRequires:  openstack-macros
 BuildRequires:  python3-eventlet
 BuildRequires:  python3-fasteners >= 0.7.0
 BuildRequires:  python3-fixtures
-BuildRequires:  python3-mock
 BuildRequires:  python3-oslo.config >= 5.2.0
 BuildRequires:  python3-oslo.i18n >= 3.15.3
 BuildRequires:  python3-oslo.utils >= 3.33.0
@@ -46,12 +45,10 @@ external processes.
 
 %package -n python3-oslo.concurrency
 Summary:        OpenStack oslo.concurrency library
-Group:          Development/Languages/Python
 Requires:       python3-fasteners >= 0.7.0
 Requires:       python3-oslo.config >= 5.2.0
 Requires:       python3-oslo.i18n >= 3.15.3
 Requires:       python3-oslo.utils >= 3.33.0
-Requires:       python3-six
 %if 0%{?suse_version}
 Obsoletes:      python2-oslo.concurrency < 4.0.0
 %endif
@@ -65,7 +62,6 @@ This package contains the Python 3.x module.
 
 %package -n python-oslo.concurrency-doc
 Summary:        Documentation for OpenStack concurrency library
-Group:          Development/Languages/Python
 BuildRequires:  python3-Sphinx
 BuildRequires:  python3-openstackdocstheme
 BuildRequires:  python3-sphinxcontrib-apidoc
@@ -77,7 +73,7 @@ external processes.
 This package contains the documentation.
 
 %prep
-%autosetup -p1 -n oslo.concurrency-4.3.0
+%autosetup -p1 -n oslo.concurrency-4.5.1
 %py_req_cleanup
 
 %build