diff --git a/openttd.spec b/openttd.spec
index 1032034..ada104e 100644
--- a/openttd.spec
+++ b/openttd.spec
@@ -1,5 +1,5 @@
 Name:          openttd
-Version:       13.3
+Version:       13.4
 Release:       1mamba
 Summary:       An Open Source clone of Transport Tycoon Deluxe
 Group:         Graphical Desktop/Applications/Games
@@ -70,6 +70,9 @@ touch %{buildroot}%{_datadir}/games/openttd/data/sample.cat
 %doc COPYING.md
 
 %changelog
+* Sun Jul 30 2023 Automatic Build System <autodist@mambasoft.it> 13.4-1mamba
+- automatic version update by autodist
+
 * Tue Jun 13 2023 Automatic Build System <autodist@mambasoft.it> 13.3-1mamba
 - automatic version update by autodist