diff --git a/python-contextlib2.spec b/python-contextlib2.spec
index 32460d9..eff369b 100644
--- a/python-contextlib2.spec
+++ b/python-contextlib2.spec
@@ -1,7 +1,7 @@
 %define pkgname %(echo %name | cut -d- -f2- | tr - _)
 Name:          python-contextlib2
 Version:       21.6.0
-Release:       3mamba
+Release:       4mamba
 Summary:       A backport of the standard library's contextlib
 Group:         System/Libraries
 Vendor:        openmamba
@@ -11,8 +11,9 @@ URL:           https://pypi.org/project/contextlib2/
 Source:        https://pypi.debian.net/contextlib2/contextlib2-%{version}.tar.gz
 License:       Python Software Foundation License
 ## AUTOBUILDREQ-BEGIN
-BuildRequires: libpython3-devel
+BuildRequires: libpython311-devel
 ## AUTOBUILDREQ-END
+BuildRequires: python3-devel >= 3.11.5-3mamba
 
 %description
 %{summary}.
@@ -44,6 +45,9 @@ sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
 %{python_sitearch}/%{pkgname}-%{version}-py*.egg-info/*
 
 %changelog
+* Tue Sep 26 2023 Automatic Build System <autodist@mambasoft.it> 21.6.0-4mamba
+- rebuilt by autoport with build requirements: python3-devel>=3.11.5-3mamba
+
 * Mon Jul 31 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 21.6.0-3mamba
 - rebuilt with python 3.10