diff --git a/crates/rpc/src/rpc.rs b/crates/rpc/src/rpc.rs
index 27b666d6d08896fbd345a9b4b4cc26ad43ac222c..9512a430431c6c8b971a89920802eeb4526ffe30 100644
--- a/crates/rpc/src/rpc.rs
+++ b/crates/rpc/src/rpc.rs
@@ -6,4 +6,4 @@ pub use conn::Connection;
 pub use peer::*;
 mod macros;
 
-pub const PROTOCOL_VERSION: u32 = 20;
+pub const PROTOCOL_VERSION: u32 = 21;