diff --git a/vulkan-loader.spec b/vulkan-loader.spec
index c70f27b..b6e82a5 100644
--- a/vulkan-loader.spec
+++ b/vulkan-loader.spec
@@ -1,5 +1,5 @@
 Name:          vulkan-loader
-Version:       1.3.263
+Version:       1.3.264
 Release:       1mamba
 Summary:       A library that is placed between a Vulkan application and any number of Vulkan drivers, in order to support multiple drivers
 Group:         System/Libraries
@@ -69,6 +69,9 @@ This package contains libraries and header files for developing applications tha
 %doc README.md
 
 %changelog
+* Tue Sep 12 2023 Automatic Build System <autodist@mambasoft.it> 1.3.264-1mamba
+- automatic version update by autodist
+
 * Wed Sep 06 2023 Automatic Build System <autodist@mambasoft.it> 1.3.263-1mamba
 - automatic version update by autodist