diff --git a/squid.spec b/squid.spec
index 05c0188..2507d22 100644
--- a/squid.spec
+++ b/squid.spec
@@ -4,7 +4,7 @@
 %define userid   65010
 
 Name:          squid
-Version:       3.5.20
+Version:       3.5.21
 Release:       1mamba
 Summary:       The Squid proxy caching server
 Group:         System/Servers
@@ -232,6 +232,9 @@ exit 0
 %doc contrib/url-normalizer.pl contrib/rredir.* contrib/user-agents.pl
 
 %changelog
+* Fri Sep 09 2016 Automatic Build System <autodist@mambasoft.it> 3.5.21-1mamba
+- automatic version update by autodist
+
 * Sat Jul 02 2016 Automatic Build System <autodist@mambasoft.it> 3.5.20-1mamba
 - automatic version update by autodist