diff --git a/xchm.spec b/xchm.spec
index 20de7b8..3d43edf 100644
--- a/xchm.spec
+++ b/xchm.spec
@@ -1,6 +1,6 @@
 Name:          xchm
 Epoch:         2
-Version:       1.30
+Version:       1.31
 Release:       1mamba
 Summary:       A cross-platform CHM viewer
 Group:         Applications/Publishing
@@ -75,6 +75,9 @@ EOF
 #ChangeLog README README.xmlrpc
 
 %changelog
+* Thu Jan 09 2020 Automatic Build System <autodist@mambasoft.it> 1.31-1mamba
+- automatic version update by autodist
+
 * Sun Aug 18 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 1.30-1mamba
 - update to 1.30