diff --git a/peer.go b/peer.go
index b2e751b44a..690281da9f 100644
--- a/peer.go
+++ b/peer.go
@@ -18,7 +18,7 @@ const (
 	// The size of the output buffer for writing messages
 	outputBufferSize = 50
 	// Current protocol version
-	ProtocolVersion = 11
+	ProtocolVersion = 12
 )
 
 type DiscReason byte