diff --git a/python-decorator.spec b/python-decorator.spec
index 853bb59..fc07183 100644
--- a/python-decorator.spec
+++ b/python-decorator.spec
@@ -1,5 +1,5 @@
 Name:          python-decorator
-Version:       4.1.2
+Version:       4.2.1
 Release:       1mamba
 Summary:       A Python moduke to simplify the usage and to popularize decorators
 Group:         System/Libraries
@@ -38,6 +38,9 @@ sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
 %{python27_sitearch}/decorator-%{version}-py*.egg-info/*
 
 %changelog
+* Mon Jan 15 2018 Automatic Build System <autodist@mambasoft.it> 4.2.1-1mamba
+- automatic version update by autodist
+
 * Tue Aug 08 2017 Automatic Build System <autodist@mambasoft.it> 4.1.2-1mamba
 - automatic version update by autodist