diff --git a/python-slugify.spec b/python-slugify.spec
index 8d4dd02..c96a5cd 100644
--- a/python-slugify.spec
+++ b/python-slugify.spec
@@ -1,5 +1,5 @@
 Name:          python-slugify
-Version:       0.0.1
+Version:       4.0.1
 Release:       1mamba
 Summary:       A generic slugifier utility, inspired by Django’s slugify template filter
 Group:         System/Libraries
@@ -7,14 +7,13 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://pypi.org/project/slugify/
-Source:        https://pypi.debian.net/slugify/slugify-%{version}.tar.gz
+Source:        https://pypi.debian.net/python-slugify/python-slugify-%{version}.tar.gz
 License:       Public Domain
 ## AUTOBUILDREQ-BEGIN
 ## note: run 'autospec -u -a6 python-slugify' to get the list of build requirements.
 ## AUTOBUILDREQ-END
 BuildRequires: libpython-devel
 Requires:      python >= %python_version
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 %{summary}.
@@ -24,7 +23,7 @@ BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 %endif
 
 %prep
-%setup -q -n slugify-%{version}
+%setup -q
 
 %build
 CFLAGS="%{optflags}" %{__python} setup.py build
@@ -44,5 +43,8 @@ sed -i "s,.*/man/.*,&.gz," %{name}.filelist
 %defattr(-,root,root)
 
 %changelog
+* Sat Mar 06 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.1-1mamba
+- update to 4.0.1
+
 * Wed Sep 30 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 0.0.1-1mamba
 - package created using the webbuild interface