diff --git a/libz.spec b/libz.spec
index ffd81f8..af1e32a 100644
--- a/libz.spec
+++ b/libz.spec
@@ -1,5 +1,5 @@
 Name:          libz
-Version:       1.3
+Version:       1.3.1
 Release:       1mamba
 Summary:       The zlib compression and decompression library
 Group:         System/Libraries
@@ -132,6 +132,9 @@ cd ../..
 %doc contrib/minizip/MiniZip64_info.txt contrib/minizip/MiniZip64_Changes.txt
 
 %changelog
+* Sun Feb 11 2024 Automatic Build System <autodist@openmamba.org> 1.3.1-1mamba
+- automatic update by autodist
+
 * Sat Nov 04 2023 Automatic Build System <autodist@mambasoft.it> 1.3-1mamba
 - automatic update by autodist