diff --git a/bento4.spec b/bento4.spec
index 7386ac6..0d51f1b 100644
--- a/bento4.spec
+++ b/bento4.spec
@@ -1,5 +1,5 @@
 Name:          bento4
-Version:       1.6.0_639
+Version:       1.6.0.640
 Release:       1mamba
 Summary:       Full-featured MP4 format, MPEG DASH, HLS, CMAF SDK and tools
 Group:         Applications/Multimedia
@@ -55,5 +55,8 @@ find -maxdepth 1 -executable -type f -exec mv --target-directory=%{buildroot}%{_
 %{_libdir}/libap4.so
 
 %changelog
+* Sun Sep 17 2023 Automatic Build System <autodist@mambasoft.it> 1.6.0.640-1mamba
+- automatic update by autodist
+
 * Sat Jan 08 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 1.6.0_639-1mamba
 - package created using the webbuild interface