diff --git a/python-botocore.spec b/python-botocore.spec
index 931eec8..9e4f7d3 100644
--- a/python-botocore.spec
+++ b/python-botocore.spec
@@ -1,5 +1,5 @@
 Name:          python-botocore
-Version:       1.4.27
+Version:       1.4.28
 Release:       1mamba
 Summary:       A low-level interface to a growing number of Amazon Web Services
 Group:         System/Libraries
@@ -39,6 +39,9 @@ CFLAGS="%{optflags}" %{__python} setup.py build
 %defattr(-,root,root)
 
 %changelog
+* Wed Jun 15 2016 Automatic Build System <autodist@mambasoft.it> 1.4.28-1mamba
+- automatic version update by autodist
+
 * Sun Jun 12 2016 Automatic Build System <autodist@mambasoft.it> 1.4.27-1mamba
 - automatic version update by autodist