diff --git a/channel.go b/channel.go
index 1b76277d..d17b3e2a 100644
--- a/channel.go
+++ b/channel.go
@@ -48,6 +48,9 @@ var (
 	ErrNoServiceName = errors.New("no service name provided")
 )
 
+// TO TEST GO1.21
+// Add a comment line to test unstable build for go 1.21
+
 const ephemeralHostPort = "0.0.0.0:0"
 
 // ChannelOptions are used to control parameters on a create a TChannel