diff --git a/libphonenumber.spec b/libphonenumber.spec
index ca78263..59a1e74 100644
--- a/libphonenumber.spec
+++ b/libphonenumber.spec
@@ -1,5 +1,5 @@
 Name:          libphonenumber
-Version:       8.13.27
+Version:       8.13.28
 Release:       1mamba
 Summary:       Google's common Java, C++ and JavaScript library for parsing, formatting, and validating international phone numbers
 Group:         System/Libraries
@@ -79,6 +79,9 @@ This package contains libraries and header files for developing applications tha
 %doc README.md
 
 %changelog
+* Wed Jan 17 2024 Automatic Build System <autodist@openmamba.org> 8.13.28-1mamba
+- automatic version update by autodist
+
 * Sat Dec 16 2023 Automatic Build System <autodist@mambasoft.it> 8.13.27-1mamba
 - automatic version update by autodist