diff --git a/ffmpegthumbs.spec b/ffmpegthumbs.spec
index bd2ec97..712db47 100644
--- a/ffmpegthumbs.spec
+++ b/ffmpegthumbs.spec
@@ -1,5 +1,5 @@
 Name:          ffmpegthumbs
-Version:       21.12.0
+Version:       21.12.1
 Release:       1mamba
 Summary:       A lightweight video thumbnailer that can be used by file managers
 Group:         Graphical Desktop/Applications/Multimedia
@@ -77,6 +77,9 @@ exit 0
 %doc LICENSES
 
 %changelog
+* Thu Jan 06 2022 Automatic Build System <autodist@mambasoft.it> 21.12.1-1mamba
+- automatic version update by autodist
+
 * Sat Dec 11 2021 Automatic Build System <autodist@mambasoft.it> 21.12.0-1mamba
 - automatic version update by autodist