diff --git a/sed.spec b/sed.spec
index 63323e7..b248549 100644
--- a/sed.spec
+++ b/sed.spec
@@ -1,5 +1,5 @@
 Name:          sed
-Version:       4.5
+Version:       4.6
 Release:       1mamba
 Summary:       The GNU stream text editor
 Group:         Applications/Text
@@ -55,6 +55,9 @@ exit 0
 %doc AUTHORS NEWS README THANKS
 
 %changelog
+* Thu Dec 20 2018 Automatic Build System <autodist@mambasoft.it> 4.6-1mamba
+- automatic version update by autodist
+
 * Sun Apr 01 2018 Automatic Build System <autodist@mambasoft.it> 4.5-1mamba
 - automatic version update by autodist