diff --git a/python-jupyter_core.spec b/python-jupyter_core.spec
index fde25b3..4f1d89b 100644
--- a/python-jupyter_core.spec
+++ b/python-jupyter_core.spec
@@ -1,7 +1,7 @@
 %global srcname jupyter_core
 
 Name:          python-%{srcname}
-Version:       4.8.2
+Version:       4.9.0
 Release:       1mamba
 Summary:       Core common functionality of Jupyter projects
 Group:         System/Libraries
@@ -49,6 +49,9 @@ sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
 %{python_sitearch}/jupyter_core-%{version}-py*.egg-info/*
 
 %changelog
+* Wed Oct 27 2021 Automatic Build System <autodist@mambasoft.it> 4.9.0-1mamba
+- automatic version update by autodist
+
 * Wed Oct 27 2021 Automatic Build System <autodist@mambasoft.it> 4.8.2-1mamba
 - automatic version update by autodist