diff --git a/python-ujson.spec b/python-ujson.spec
index 379fc98..21381d2 100644
--- a/python-ujson.spec
+++ b/python-ujson.spec
@@ -1,6 +1,6 @@
 Name:          python-ujson
-Version:       5.8.0
-Release:       2mamba
+Version:       5.9.0
+Release:       1mamba
 Summary:       Ultra fast JSON encoder and decoder for Python
 Group:         System/Libraries
 Vendor:        openmamba
@@ -49,6 +49,9 @@ sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
 %{python_sitearch}/ujson-%{version}-py*.egg-info/*
 
 %changelog
+* Mon Dec 11 2023 Automatic Build System <autodist@mambasoft.it> 5.9.0-1mamba
+- automatic version update by autodist
+
 * Wed Sep 27 2023 Automatic Build System <autodist@mambasoft.it> 5.8.0-2mamba
 - rebuilt by autoport with build requirements: python3-devel>=3.11.5-3mamba