diff --git a/python-ujson.spec b/python-ujson.spec
index c36fd9e..1bb15e2 100644
--- a/python-ujson.spec
+++ b/python-ujson.spec
@@ -1,5 +1,5 @@
 Name:          python-ujson
-Version:       5.4.0
+Version:       5.5.0
 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 Sep 16 2022 Automatic Build System <autodist@mambasoft.it> 5.5.0-1mamba
+- automatic version update by autodist
+
 * Sat Jul 02 2022 Automatic Build System <autodist@mambasoft.it> 5.4.0-1mamba
 - automatic version update by autodist