diff --git a/pkg/plugin/sdk/v1alpha2/config/config.go b/pkg/plugin/sdk/v1alpha2/config/config.go
index f7a45c281..e7537fc4d 100644
--- a/pkg/plugin/sdk/v1alpha2/config/config.go
+++ b/pkg/plugin/sdk/v1alpha2/config/config.go
@@ -17,7 +17,7 @@ const DefaultPluginName = "aspectplugin"
 
 // Handshake is the shared handshake config for the v1alpha2 protocol.
 var Handshake = goplugin.HandshakeConfig{
-	ProtocolVersion:  1,
+	ProtocolVersion:  2,
 	MagicCookieKey:   "PLUGIN",
 	MagicCookieValue: "ASPECT",
 }