diff --git a/python-botocore.spec b/python-botocore.spec
index 96bf7b4..923eda0 100644
--- a/python-botocore.spec
+++ b/python-botocore.spec
@@ -1,5 +1,5 @@
 Name:          python-botocore
-Version:       1.4.56
+Version:       1.4.57
 Release:       1mamba
 Summary:       A low-level interface to a growing number of Amazon Web Services
 Group:         System/Libraries
@@ -40,6 +40,9 @@ CFLAGS="%{optflags}" %{__python} setup.py build
 %defattr(-,root,root)
 
 %changelog
+* Thu Sep 29 2016 Automatic Build System <autodist@mambasoft.it> 1.4.57-1mamba
+- automatic version update by autodist
+
 * Thu Sep 22 2016 Automatic Build System <autodist@mambasoft.it> 1.4.56-1mamba
 - automatic version update by autodist