diff --git a/go.spec b/go.spec
index dc592ea..df34d6d 100644
--- a/go.spec
+++ b/go.spec
@@ -1,5 +1,5 @@
 Name:          go
-Version:       1.16.5
+Version:       1.16.6
 Release:       1mamba
 Summary:       The Go programming language
 Group:         Applications/Development
@@ -122,6 +122,9 @@ fi
 #%doc README.md
 
 %changelog
+* Tue Jul 13 2021 Automatic Build System <autodist@mambasoft.it> 1.16.6-1mamba
+- automatic version update by autodist
+
 * Fri Jun 04 2021 Automatic Build System <autodist@mambasoft.it> 1.16.5-1mamba
 - automatic version update by autodist