diff --git a/knetwalk.spec b/knetwalk.spec
index 0246232..3d2e7c8 100644
--- a/knetwalk.spec
+++ b/knetwalk.spec
@@ -1,5 +1,5 @@
 Name:          knetwalk
-Version:       17.12.3
+Version:       18.04.0
 Release:       1mamba
 Summary:       Network Construction Game
 Group:         Graphical Desktop/Applications/Games
@@ -85,6 +85,9 @@ exit 0
 %doc AUTHORS COPYING COPYING.DOC
 
 %changelog
+* Sun Apr 22 2018 Automatic Build System <autodist@mambasoft.it> 18.04.0-1mamba
+- automatic version update by autodist
+
 * Thu Mar 08 2018 Automatic Build System <autodist@mambasoft.it> 17.12.3-1mamba
 - automatic version update by autodist