diff --git a/qt6-qtserialbus.spec b/qt6-qtserialbus.spec
index 09a7026..69c67bd 100644
--- a/qt6-qtserialbus.spec
+++ b/qt6-qtserialbus.spec
@@ -1,7 +1,7 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          qt6-qtserialbus
-Version:       6.5.2
+Version:       6.5.3
 Release:       1mamba
 Summary:       Qt6 serial bus components
 Group:         System/Libraries
@@ -75,6 +75,9 @@ DESTDIR="%{buildroot}" cmake --install build
 %{_libdir}/pkgconfig/Qt6SerialBus.pc
 
 %changelog
+* Fri Sep 29 2023 Automatic Build System <autodist@mambasoft.it> 6.5.3-1mamba
+- automatic version update by autodist
+
 * Fri Jul 21 2023 Automatic Build System <autodist@mambasoft.it> 6.5.2-1mamba
 - automatic version update by autodist