diff --git a/deltarpm.spec b/deltarpm.spec
index 655b077..d9cbafc 100644
--- a/deltarpm.spec
+++ b/deltarpm.spec
@@ -1,6 +1,6 @@
 Name:          deltarpm
-Version:       3.6.3
-Release:       2mamba
+Version:       3.6.4
+Release:       1mamba
 Summary:       Create deltas between rpms
 Group:         System/Management
 Vendor:        openmamba
@@ -88,6 +88,9 @@ Python 3 bindings for %{name}.
 %{python3_sitearch}/deltarpm.py
 
 %changelog
+* Mon Aug 19 2024 Automatic Build System <autodist@openmamba.org> 3.6.4-1mamba
+- automatic version update by autodist
+
 * Thu May 16 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 3.6.3-2mamba
 - rebuilt with rpm 4.19.1.1