diff --git a/python-atpublic.spec b/python-atpublic.spec
index 1c26b64..54c4be7 100644
--- a/python-atpublic.spec
+++ b/python-atpublic.spec
@@ -1,7 +1,7 @@
 %define pkgname %(echo %name | cut -d- -f2- | tr - _)
 Name:          python-atpublic
-Version:       3.1.1
-Release:       2mamba
+Version:       4.0
+Release:       1mamba
 Summary:       This library provides two very simple decorators that document the publicness of the names in your module
 Group:         System/Libraries
 Vendor:        openmamba
@@ -42,6 +42,9 @@ CFLAGS="%{optflags}" %{__python} -m build --no-isolation --wheel
 %doc LICENSE
 
 %changelog
+* Thu Jan 04 2024 Automatic Build System <autodist@mambasoft.it> 4.0-1mamba
+- automatic version update by autodist
+
 * Fri Sep 29 2023 Automatic Build System <autodist@mambasoft.it> 3.1.1-2mamba
 - rebuilt by autoport with build requirements: python3-devel>=3.11.5-3mamba