diff --git a/m4.spec b/m4.spec
index a6af3e4..d9f56c4 100644
--- a/m4.spec
+++ b/m4.spec
@@ -1,5 +1,5 @@
 Name:          m4
-Version:       1.4.17
+Version:       1.4.18
 Release:       1mamba
 Summary:       The GNU macro processor
 Group:         Applications/Text
@@ -49,6 +49,9 @@ exit 0
 %doc BACKLOG ChangeLog COPYING NEWS README THANKS TODO
 
 %changelog
+* Mon Jan 09 2017 Automatic Build System <autodist@mambasoft.it> 1.4.18-1mamba
+- automatic version update by autodist
+
 * Sun Sep 22 2013 Automatic Build System <autodist@mambasoft.it> 1.4.17-1mamba
 - automatic update by autodist