diff --git a/src/version.h b/src/version.h
index d71041574..f63b1bdad 100644
--- a/src/version.h
+++ b/src/version.h
@@ -29,7 +29,7 @@ extern const std::string CLIENT_DATE;
 // network protocol versioning
 //
 
-static const int PROTOCOL_VERSION = 60000;
+static const int PROTOCOL_VERSION = 60001;
 
 // earlier versions not supported as of Feb 2012, and are disconnected
 static const int MIN_PROTO_VERSION = 209;