diff --git a/attica.spec b/attica.spec
index fe6e5e5..ee507fa 100644
--- a/attica.spec
+++ b/attica.spec
@@ -1,6 +1,6 @@
 %define majver %(echo %version | cut -d. -f1-2)
 Name:          attica
-Version:       5.50.0
+Version:       5.51.0
 Release:       1mamba
 Summary:       A Qt library that implements the Open Collaboration Services API
 Group:         System/Libraries
@@ -83,6 +83,9 @@ This package contains libraries and header files for developing applications tha
 %doc ChangeLog README.md
 
 %changelog
+* Sun Oct 21 2018 Automatic Build System <autodist@mambasoft.it> 5.51.0-1mamba
+- automatic version update by autodist
+
 * Mon Sep 10 2018 Automatic Build System <autodist@mambasoft.it> 5.50.0-1mamba
 - automatic version update by autodist