diff --git a/swarm/network/protocol.go b/swarm/network/protocol.go
index ef0956d5f..d509d157b 100644
--- a/swarm/network/protocol.go
+++ b/swarm/network/protocol.go
@@ -44,7 +44,7 @@ const (
 // BzzSpec is the spec of the generic swarm handshake
 var BzzSpec = &protocols.Spec{
 	Name:       "bzz",
-	Version:    6,
+	Version:    7,
 	MaxMsgSize: 10 * 1024 * 1024,
 	Messages: []interface{}{
 		HandshakeMsg{},
@@ -54,7 +54,7 @@ var BzzSpec = &protocols.Spec{
 // DiscoverySpec is the spec for the bzz discovery subprotocols
 var DiscoverySpec = &protocols.Spec{
 	Name:       "hive",
-	Version:    5,
+	Version:    6,
 	MaxMsgSize: 10 * 1024 * 1024,
 	Messages: []interface{}{
 		peersMsg{},
diff --git a/swarm/network/protocol_test.go b/swarm/network/protocol_test.go
index c052c536a..0fc858371 100644
--- a/swarm/network/protocol_test.go
+++ b/swarm/network/protocol_test.go
@@ -31,7 +31,7 @@ import (
 )
 
 const (
-	TestProtocolVersion   = 6
+	TestProtocolVersion   = 7
 	TestProtocolNetworkID = 3
 )
 
diff --git a/swarm/network/stream/stream.go b/swarm/network/stream/stream.go
index 1f1f34b7b..319fc62c9 100644
--- a/swarm/network/stream/stream.go
+++ b/swarm/network/stream/stream.go
@@ -41,8 +41,8 @@ const (
 	Mid
 	High
 	Top
-	PriorityQueue    = 4   // number of priority queues - Low, Mid, High, Top
-	PriorityQueueCap = 128 // queue capacity
+	PriorityQueue    = 4    // number of priority queues - Low, Mid, High, Top
+	PriorityQueueCap = 4096 // queue capacity
 	HashSize         = 32
 )
 
@@ -639,7 +639,7 @@ func (c *clientParams) clientCreated() {
 // Spec is the spec of the streamer protocol
 var Spec = &protocols.Spec{
 	Name:       "stream",
-	Version:    5,
+	Version:    6,
 	MaxMsgSize: 10 * 1024 * 1024,
 	Messages: []interface{}{
 		UnsubscribeMsg{},