diff --git a/vulkan-tools.spec b/vulkan-tools.spec
index c44f6b5..51e69fb 100644
--- a/vulkan-tools.spec
+++ b/vulkan-tools.spec
@@ -1,5 +1,5 @@
 Name:          vulkan-tools
-Version:       1.3.264
+Version:       1.3.266
 Release:       1mamba
 Summary:       Vulkan Utilities and Tools
 Group:         System/Tools
@@ -51,6 +51,9 @@ Vulkan Utilities and Tools.
 %doc LICENSE.txt
 
 %changelog
+* Mon Oct 02 2023 Automatic Build System <autodist@mambasoft.it> 1.3.266-1mamba
+- automatic version update by autodist
+
 * Sun Sep 24 2023 Automatic Build System <autodist@mambasoft.it> 1.3.264-1mamba
 - automatic version update by autodist