diff --git a/net_go116_test.go b/net_go116_test.go
index 0b5e2b61..79dc0779 100644
--- a/net_go116_test.go
+++ b/net_go116_test.go
@@ -1,3 +1,5 @@
+// +build go1.16
+
 package mssql
 
 import (