diff --git a/ffmpegthumbs.spec b/ffmpegthumbs.spec
index 4befdbd..02a9e8e 100644
--- a/ffmpegthumbs.spec
+++ b/ffmpegthumbs.spec
@@ -1,5 +1,5 @@
 Name:          ffmpegthumbs
-Version:       16.12.1
+Version:       16.12.3
 Release:       1mamba
 Summary:       A lightweight video thumbnailer that can be used by file managers
 Group:         Graphical Desktop/Applications/Multimedia
@@ -60,6 +60,12 @@ exit 0
 %doc COPYING
 
 %changelog
+* Fri Mar 10 2017 Automatic Build System <autodist@mambasoft.it> 16.12.3-1mamba
+- automatic version update by autodist
+
+* Fri Feb 10 2017 Automatic Build System <autodist@mambasoft.it> 16.12.2-1mamba
+- automatic version update by autodist
+
 * Fri Jan 13 2017 Automatic Build System <autodist@mambasoft.it> 16.12.1-1mamba
 - automatic version update by autodist