diff --git a/python-ujson.spec b/python-ujson.spec
index d9500a8..176c77c 100644
--- a/python-ujson.spec
+++ b/python-ujson.spec
@@ -1,5 +1,5 @@
 Name:          python-ujson
-Version:       4.3.0
+Version:       5.0.0
 Release:       1mamba
 Summary:       Ultra fast JSON encoder and decoder for Python
 Group:         System/Libraries
@@ -48,6 +48,9 @@ sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
 %{python_sitearch}/ujson-%{version}-py*.egg-info/*
 
 %changelog
+* Fri Dec 17 2021 Automatic Build System <autodist@mambasoft.it> 5.0.0-1mamba
+- automatic version update by autodist
+
 * Tue Nov 23 2021 Automatic Build System <autodist@mambasoft.it> 4.3.0-1mamba
 - automatic version update by autodist