diff --git a/python-jaraco-functools.spec b/python-jaraco-functools.spec
index 58f9311..f9c465b 100644
--- a/python-jaraco-functools.spec
+++ b/python-jaraco-functools.spec
@@ -1,6 +1,6 @@
 %define pkgname %(echo %name | cut -d- -f2- | tr - .)
 Name:          python-jaraco-functools
-Version:       4.0.0
+Version:       4.0.1
 Release:       1mamba
 Summary:       Functools like those found in stdlib
 Group:         System/Libraries
@@ -8,7 +8,7 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://github.com/jaraco/jaraco.functools
-Source:        https://pypi.debian.net/jaraco.functools/jaraco.functools-%{version}.tar.gz
+Source:        https://pypi.debian.net/jaraco.functools/jaraco_functools-%{version}.tar.gz
 License:       MIT
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: libpython311-devel
@@ -23,7 +23,7 @@ BuildRequires: python3.11dist(more-itertools)
 %endif
 
 %prep
-%setup -q -n jaraco.functools-%{version}
+%setup -q -n jaraco_functools-%{version}
 
 %build
 CFLAGS="%{optflags}" %{__python} -m build --no-isolation --wheel
@@ -48,5 +48,8 @@ CFLAGS="%{optflags}" %{__python} -m build --no-isolation --wheel
 %doc LICENSE
 
 %changelog
+* Thu May 09 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.1-1mamba
+- update to 4.0.1
+
 * Sun Mar 24 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.0-1mamba
 - package created using the webbuild interface