diff --git a/src/version.h b/src/version.h
index 8bd89dfc..c6883d2a 100644
--- a/src/version.h
+++ b/src/version.h
@@ -9,7 +9,7 @@
  * network protocol versioning
  */
 
-static const int PROTOCOL_VERSION = 70003;
+static const int PROTOCOL_VERSION = 70004;
 
 //! initial proto version, to be increased after version/verack negotiation
 static const int INIT_PROTO_VERSION = 209;
@@ -20,6 +20,9 @@ static const int GETHEADERS_VERSION = 31800;
 //! AUX-POW on SHA256D and Scrypt algorithim starts with this version
 static const int AUX_POW_SHA_SCRYPT_VERSION = 70003;
 
+//! AUX-POW on SHA256D and Scrypt algorithim starts with this version
+static const int QUBIT_TO_YESCRYPT_VERSION = 70004;
+
 //! disconnect from peers older than this proto version
 static const int MIN_PEER_PROTO_VERSION = AUX_POW_SHA_SCRYPT_VERSION;