diff --git a/p2p/discover/udp.go b/p2p/discover/udp.go
index baff75a63..c81ca1a53 100644
--- a/p2p/discover/udp.go
+++ b/p2p/discover/udp.go
@@ -15,7 +15,7 @@ import (
 	"github.com/ethereum/go-ethereum/rlp"
 )
 
-const Version = 3
+const Version = 4
 
 // Errors
 var (
diff --git a/p2p/peer.go b/p2p/peer.go
index bc0e6eb5f..94fa03f8d 100644
--- a/p2p/peer.go
+++ b/p2p/peer.go
@@ -15,7 +15,7 @@ import (
 )
 
 const (
-	baseProtocolVersion    = 3
+	baseProtocolVersion    = 4
 	baseProtocolLength     = uint64(16)
 	baseProtocolMaxMsgSize = 10 * 1024 * 1024