diff --git a/dmidecode.spec b/dmidecode.spec
index cf5edc3..d5cecd8 100644
--- a/dmidecode.spec
+++ b/dmidecode.spec
@@ -1,5 +1,5 @@
 Name:          dmidecode
-Version:       3.0
+Version:       3.1
 Release:       1mamba
 Summary:       System hardware information tool according to BIOS the SMBIOS/DMI standard
 Group:         System/Tools
@@ -42,6 +42,9 @@ sed -i -e "/^PROGRAMS !=/d" Makefile
 %doc AUTHORS LICENSE README
 
 %changelog
+* Thu May 25 2017 Automatic Build System <autodist@mambasoft.it> 3.1-1mamba
+- automatic version update by autodist
+
 * Tue Oct 06 2015 Silvan Calarco <silvan.calarco@mambasoft.it> 3.0-1mamba
 - update to 3.0