diff --git a/mpshared/constants.h b/mpshared/constants.h
index 573c2ee..06ccc14 100644
--- a/mpshared/constants.h
+++ b/mpshared/constants.h
@@ -6,7 +6,7 @@
 
 namespace wi {
 
-const dword kdwProtocolCurrent = 0x485407d3;
+const dword kdwProtocolCurrent = 0x485407d4;
 
 const byte XMSG_NONE = 0x00;
 const byte XMSG_HANDSHAKE = 0x81;