diff --git a/python-traitlets.spec b/python-traitlets.spec
index 43aafcb..4765fb9 100644
--- a/python-traitlets.spec
+++ b/python-traitlets.spec
@@ -1,7 +1,7 @@
 %global srcname traitlets
 
 Name:          python-%{srcname}
-Version:       4.1.0
+Version:       4.3.1
 Release:       1mamba
 Summary:       A lightweight, simple, pure Python derivative of Enthought Traits
 Group:         System/Libraries
@@ -43,5 +43,8 @@ sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
 %doc README.md
 
 %changelog
+* Sun Oct 16 2016 Automatic Build System <autodist@mambasoft.it> 4.3.1-1mamba
+- automatic version update by autodist
+
 * Sat Jan 23 2016 Davide Madrisan <davide.madrisan@gmail.com> 4.1.0-1mamba
 - package created using the webbuild interface