diff --git a/libosip2.spec b/libosip2.spec
index 8ebb742..c841f49 100644
--- a/libosip2.spec
+++ b/libosip2.spec
@@ -1,5 +1,5 @@
 Name:          libosip2
-Version:       4.1.0
+Version:       5.0.0
 Release:       1mamba
 Summary:       An implementation of SIP
 Group:         System/Libraries
@@ -70,6 +70,9 @@ This package contains static libraries and header files need for development.
 %doc BUGS ChangeLog NEWS README TODO
 
 %changelog
+* Thu Oct 06 2016 Automatic Build System <autodist@mambasoft.it> 5.0.0-1mamba
+- automatic version update by autodist
+
 * Thu Jan 09 2014 Automatic Build System <autodist@mambasoft.it> 4.1.0-1mamba
 - automatic update by autodist