diff --git a/plantuml.spec b/plantuml.spec
index 892a541..c3eda0a 100644
--- a/plantuml.spec
+++ b/plantuml.spec
@@ -1,5 +1,5 @@
 Name:          plantuml
-Version:       1.2023.12
+Version:       1.2023.13
 Release:       1mamba
 Summary:       Generate diagrams from textual description
 Group:         Graphical Desktop/Applications/Graphics
@@ -44,6 +44,9 @@ chmod +x %{buildroot}%{_bindir}/plantuml
 %{_javadir}/plantuml.jar
 
 %changelog
+* Tue Dec 12 2023 Automatic Build System <autodist@mambasoft.it> 1.2023.13-1mamba
+- automatic version update by autodist
+
 * Sat Oct 21 2023 Automatic Build System <autodist@mambasoft.it> 1.2023.12-1mamba
 - automatic version update by autodist