diff --git a/acpica.spec b/acpica.spec
index c873eb5..abaef96 100644
--- a/acpica.spec
+++ b/acpica.spec
@@ -1,5 +1,5 @@
 Name:          acpica
-Version:       20181003
+Version:       20181031
 Release:       1mamba
 Summary:       Advanced Configuration & Power Interface Component Architecture
 Group:         System/Kernel and Hardware
@@ -52,6 +52,9 @@ cp %{S:2} %{S:3} .
 %doc source/LICENSE
 
 %changelog
+* Sat Nov 03 2018 Automatic Build System <autodist@mambasoft.it> 20181031-1mamba
+- automatic version update by autodist
+
 * Fri Oct 05 2018 Automatic Build System <autodist@mambasoft.it> 20181003-1mamba
 - automatic version update by autodist