diff --git a/kdegraphics-thumbnailers.spec b/kdegraphics-thumbnailers.spec
index a52afc1..7ad605c 100644
--- a/kdegraphics-thumbnailers.spec
+++ b/kdegraphics-thumbnailers.spec
@@ -1,5 +1,5 @@
 Name:          kdegraphics-thumbnailers
-Version:       21.12.2
+Version:       21.12.3
 Release:       1mamba
 Summary:       Thumbnailers for various graphic types
 Group:         Graphical Desktop/Applications/Graphics
@@ -70,6 +70,9 @@ exit 0
 %doc COPYING COPYING.LIB
 
 %changelog
+* Thu Mar 03 2022 Automatic Build System <autodist@mambasoft.it> 21.12.3-1mamba
+- automatic version update by autodist
+
 * Fri Feb 04 2022 Automatic Build System <autodist@mambasoft.it> 21.12.2-1mamba
 - automatic version update by autodist