diff --git a/p2p/pkg/p2p/libp2p/internal/handshake/handshake.go b/p2p/pkg/p2p/libp2p/internal/handshake/handshake.go
index c69d41562..f6f3a388a 100644
--- a/p2p/pkg/p2p/libp2p/internal/handshake/handshake.go
+++ b/p2p/pkg/p2p/libp2p/internal/handshake/handshake.go
@@ -17,7 +17,7 @@ import (
 
 const (
 	ProtocolName    = "handshake"
-	ProtocolVersion = "10.0.0"
+	ProtocolVersion = "11.0.0"
 	StreamName      = "handshake"
 )
 
diff --git a/p2p/pkg/preconfirmation/preconfirmation.go b/p2p/pkg/preconfirmation/preconfirmation.go
index af1c30195..d72ec0105 100644
--- a/p2p/pkg/preconfirmation/preconfirmation.go
+++ b/p2p/pkg/preconfirmation/preconfirmation.go
@@ -27,7 +27,7 @@ import (
 
 const (
 	ProtocolName    = "preconfirmation"
-	ProtocolVersion = "4.0.0"
+	ProtocolVersion = "5.0.0"
 )
 
 type Preconfirmation struct {