diff --git a/tcpdump.spec b/tcpdump.spec
index 491a458..66d2e5c 100644
--- a/tcpdump.spec
+++ b/tcpdump.spec
@@ -1,5 +1,5 @@
 Name:          tcpdump
-Version:       4.9.0
+Version:       4.9.1
 Release:       1mamba
 Summary:       tcpdump - dump traffic on a network
 Group:         Network/Monitoring
@@ -54,6 +54,9 @@ Tcpdump  prints  out  the  headers of packets on a network interface that match
 %doc CREDITS LICENSE
 
 %changelog
+* Thu Aug 10 2017 Automatic Build System <autodist@mambasoft.it> 4.9.1-1mamba
+- automatic version update by autodist
+
 * Thu Feb 02 2017 Automatic Build System <autodist@mambasoft.it> 4.9.0-1mamba
 - automatic version update by autodist