diff --git a/ethereal/main.go b/ethereal/main.go
index ac94a6622..dff0abbb7 100644
--- a/ethereal/main.go
+++ b/ethereal/main.go
@@ -12,7 +12,7 @@ import (
 
 const (
 	ClientIdentifier = "Ethereal"
-	Version          = "0.6.5"
+	Version          = "0.6.6"
 )
 
 var ethereum *eth.Ethereum