diff --git a/tbb.spec b/tbb.spec
index 749bca0..64f24eb 100644
--- a/tbb.spec
+++ b/tbb.spec
@@ -1,7 +1,7 @@
 %define pkg_version %(echo %version | tr -d .)
 
 Name:          tbb
-Version:       2021.11.0
+Version:       2021.12.0
 Release:       1mamba
 Summary:       The Threading Building Blocks library abstracts low-level threading details
 Group:         Development/Tools
@@ -121,6 +121,9 @@ This package contains the Threading Building Blocks (TBB) documentation.
 #%doc Getting_Started.pdf Reference.pdf Tutorial.pdf
 
 %changelog
+* Fri Apr 12 2024 Automatic Build System <autodist@openmamba.org> 2021.12.0-1mamba
+- automatic version update by autodist
+
 * Mon Nov 20 2023 Automatic Build System <autodist@mambasoft.it> 2021.11.0-1mamba
 - automatic version update by autodist