diff --git a/protobuf.spec b/protobuf.spec
index b93eb14..fc2946f 100644
--- a/protobuf.spec
+++ b/protobuf.spec
@@ -1,5 +1,5 @@
 Name:          protobuf
-Version:       3.6.1
+Version:       3.6.1.3
 Release:       1mamba
 Summary:       A way of encoding structured data in an efficient yet extensible format
 Group:         Development/Tools
@@ -85,6 +85,9 @@ LDFLAGS="-latomic"
 %{_libdir}/pkgconfig/protobuf*.pc
 
 %changelog
+* Sat Jan 05 2019 Automatic Build System <autodist@mambasoft.it> 3.6.1.3-1mamba
+- automatic version update by autodist
+
 * Tue Sep 04 2018 Silvan Calarco <silvan.calarco@mambasoft.it> 3.6.1-1mamba
 - update to 3.6.1