diff --git a/iw.spec b/iw.spec
index a35ec8f..82500d6 100644
--- a/iw.spec
+++ b/iw.spec
@@ -1,5 +1,5 @@
 Name:          iw
-Version:       3.17
+Version:       4.0
 Release:       1mamba
 Summary:       A tool to use nl80211.
 Group:         System/Kernel and Hardware
@@ -39,6 +39,9 @@ A tool to use nl80211.
 %doc COPYING README
 
 %changelog
+* Wed Apr 01 2015 Automatic Build System <autodist@mambasoft.it> 4.0-1mamba
+- automatic update by autodist
+
 * Thu Oct 23 2014 Automatic Build System <autodist@mambasoft.it> 3.17-1mamba
 - automatic version update by autodist