diff --git a/libphonenumber.spec b/libphonenumber.spec
index b22a6e1..8904815 100644
--- a/libphonenumber.spec
+++ b/libphonenumber.spec
@@ -1,5 +1,5 @@
 Name:          libphonenumber
-Version:       8.12.30
+Version:       8.12.31
 Release:       1mamba
 Summary:       Google's common Java, C++ and JavaScript library for parsing, formatting, and validating international phone numbers
 Group:         System/Libraries
@@ -69,6 +69,9 @@ This package contains libraries and header files for developing applications tha
 %doc README.md
 
 %changelog
+* Thu Aug 26 2021 Automatic Build System <autodist@mambasoft.it> 8.12.31-1mamba
+- automatic version update by autodist
+
 * Fri Aug 20 2021 Automatic Build System <autodist@mambasoft.it> 8.12.30-1mamba
 - automatic version update by autodist