diff --git a/python-cssmin.changes b/python-cssmin.changes
index 4eaa909..fbff04a 100644
--- a/python-cssmin.changes
+++ b/python-cssmin.changes
@@ -1,5 +1,10 @@
 -------------------------------------------------------------------
-Mon Jul 18 20:09:11 UTC 2022 - arun@gmx.de
+Mon Jul 18 13:21:32 UTC 2022 - Matej Cepl <mcepl@suse.com>
+
+- Deduplicate files in python_sitelib.
+
+-------------------------------------------------------------------
+Mon Jul 17 20:09:11 UTC 2022 - arun@gmx.de
 
 - specfile:
   * fix build: include python-rpm-macros and python-packaging
diff --git a/python-cssmin.spec b/python-cssmin.spec
index d543e8e..1837db1 100644
--- a/python-cssmin.spec
+++ b/python-cssmin.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-cssmin
 #
-# Copyright (c) 2022 SUSE LINUX Products GmbH, Nuernberg, Germany.
+# 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
@@ -12,23 +12,25 @@
 # license that conforms to the Open Source Definition (Version 1.9)
 # published by the Open Source Initiative.
 
-# Please submit bugfixes or comments via http://bugs.opensuse.org/
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
+
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
 Name:           python-cssmin
 Version:        0.2.0
 Release:        0
-Url:            http://github.com/zacharyvoase/cssmin
-Summary:        A Python port of the YUI CSS compression algorithm
-License:        MIT and BSD-3-Clause
+Summary:        YUI CSS compression algorithm
+License:        BSD-3-Clause AND MIT
 Group:          Development/Languages/Python
-Source:         http://pypi.python.org/packages/source/c/cssmin/cssmin-%{version}.tar.gz
-BuildRequires:  %{python_module setuptools}
+URL:            https://github.com/zacharyvoase/cssmin
+Source:         https://files.pythonhosted.org/packages/source/c/cssmin/cssmin-%{version}.tar.gz
 BuildRequires:  %{python_module packaging}
+BuildRequires:  %{python_module setuptools}
+BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
-Requires(post):    update-alternatives
-Requires(postun):  update-alternatives
+Requires(post): update-alternatives
+Requires(postun):update-alternatives
 BuildArch:      noarch
 %python_subpackages
 
@@ -47,6 +49,7 @@ This is a Python port of the YUI CSS Compressor.
 sed -i "s|^#!.*env python$|#!%{__$python}|" %{buildroot}%{$python_sitelib}/cssmin.py
 }
 %python_clone -a %{buildroot}%{_bindir}/cssmin
+%python_expand %fdupes %{buildroot}%{$python_sitelib}
 
 %post
 %python_install_alternative cssmin
@@ -55,7 +58,6 @@ sed -i "s|^#!.*env python$|#!%{__$python}|" %{buildroot}%{$python_sitelib}/cssmi
 %python_uninstall_alternative cssmin
 
 %files %{python_files}
-%defattr(-,root,root,-)
 %python_alternative %{_bindir}/cssmin
 %{python_sitelib}/cssmin.py*
 %{python_sitelib}/cssmin-%{version}-py*.egg-info