diff --git a/rrdtool.spec b/rrdtool.spec
index bc019d9..8fb4c96 100644
--- a/rrdtool.spec
+++ b/rrdtool.spec
@@ -1,7 +1,7 @@
 %define rrddocdir %{_datadir}/doc/%{name}-%{version}
 
 Name:          rrdtool
-Version:       1.5.5
+Version:       1.5.6
 Release:       1mamba
 Summary:       Round Robin Database Tool to store and display time-series data
 Group:         Applications/Databases
@@ -212,6 +212,9 @@ rm -f %{name}-%{version}-file
 %{_includedir}/*.h
 
 %changelog
+* Sun Jun 05 2016 Automatic Build System <autodist@mambasoft.it> 1.5.6-1mamba
+- automatic version update by autodist
+
 * Thu Jan 14 2016 Automatic Build System <autodist@mambasoft.it> 1.5.5-1mamba
 - automatic version update by autodist