diff --git a/protobuf.spec b/protobuf.spec
index c7c1653..5cdb937 100644
--- a/protobuf.spec
+++ b/protobuf.spec
@@ -1,5 +1,5 @@
 Name:          protobuf
-Version:       3.1.0
+Version:       3.4.1
 Release:       1mamba
 Summary:       A way of encoding structured data in an efficient yet extensible format
 Group:         Development/Tools
@@ -81,6 +81,18 @@ This package contains static libraries and header files need for development of
 %{_libdir}/pkgconfig/protobuf*.pc
 
 %changelog
+* Fri Oct 27 2017 Automatic Build System <autodist@mambasoft.it> 3.4.1-1mamba
+- automatic version update by autodist
+
+* Tue Aug 08 2017 Automatic Build System <autodist@mambasoft.it> 3.3.2-1mamba
+- automatic version update by autodist
+
+* Fri Apr 14 2017 Automatic Build System <autodist@mambasoft.it> 3.2.1-1mamba
+- automatic version update by autodist
+
+* Sun Feb 12 2017 Automatic Build System <autodist@mambasoft.it> 3.2.0-1mamba
+- automatic version update by autodist
+
 * Mon Oct 17 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 3.1.0-1mamba
 - update to 3.1.0