diff --git a/mtools.spec b/mtools.spec
index f1b6a93..284f64d 100644
--- a/mtools.spec
+++ b/mtools.spec
@@ -1,5 +1,5 @@
 Name:          mtools
-Version:       4.0.22
+Version:       4.0.23
 Release:       1mamba
 Summary:       Utilities to access MS-DOS disks from Unix without mounting them
 Group:         System/Tools
@@ -56,6 +56,9 @@ exit 0
 # Release.notes
 
 %changelog
+* Thu Dec 13 2018 Automatic Build System <autodist@mambasoft.it> 4.0.23-1mamba
+- automatic version update by autodist
+
 * Thu Dec 06 2018 Automatic Build System <autodist@mambasoft.it> 4.0.22-1mamba
 - automatic version update by autodist