diff --git a/src/version.h b/src/version.h
index 3e7f918..b79a82b 100644
--- a/src/version.h
+++ b/src/version.h
@@ -25,7 +25,7 @@ extern const std::string CLIENT_DATE;
 // network protocol versioning
 //
 
-static const int PROTOCOL_VERSION = 70003;
+static const int PROTOCOL_VERSION = 70004;
 
 // intial proto version, to be increased after version/verack negotiation
 static const int INIT_PROTO_VERSION = 209;