diff --git a/libfastjson.spec b/libfastjson.spec
index 353d25b..7864191 100644
--- a/libfastjson.spec
+++ b/libfastjson.spec
@@ -1,5 +1,5 @@
 Name:          libfastjson
-Version:       0.99.9.1
+Version:       1.2304.0
 Release:       1mamba
 Summary:       A small library with essential json handling functions very fast in JSON processing
 Group:         System/Libraries
@@ -60,6 +60,9 @@ This package contains libraries and header files for developing applications tha
 %doc ChangeLog README.html README.md
 
 %changelog
+* Tue Apr 18 2023 Automatic Build System <autodist@mambasoft.it> 1.2304.0-1mamba
+- automatic version update by autodist
+
 * Mon Apr 03 2023 Automatic Build System <autodist@mambasoft.it> 0.99.9.1-1mamba
 - automatic version update by autodist