diff --git a/chuck.spec b/chuck.spec
index 0995930..45d2428 100644
--- a/chuck.spec
+++ b/chuck.spec
@@ -1,5 +1,5 @@
 Name:          chuck
-Version:       1.5.1.2
+Version:       1.5.1.3
 Release:       1mamba
 Summary:       A new audio programming language for real-time synthesis, composition, and performance
 Group:         Applications/Multimedia
@@ -47,6 +47,9 @@ cp -a examples %{buildroot}%{_datadir}/%{name}/
 %doc AUTHORS LICENSE
 
 %changelog
+* Wed Sep 06 2023 Automatic Build System <autodist@mambasoft.it> 1.5.1.3-1mamba
+- automatic version update by autodist
+
 * Fri Aug 25 2023 Automatic Build System <autodist@mambasoft.it> 1.5.1.2-1mamba
 - automatic version update by autodist