diff --git a/crates/rpc/src/lib.rs b/crates/rpc/src/lib.rs
index ccaf50135003576fd98c43cf26aff4e5202e7621..da05a016a2eb5eeba138c90046ad8cc8246a9abe 100644
--- a/crates/rpc/src/lib.rs
+++ b/crates/rpc/src/lib.rs
@@ -5,4 +5,4 @@ pub mod proto;
 pub use conn::Connection;
 pub use peer::*;
 
-pub const PROTOCOL_VERSION: u32 = 1;
+pub const PROTOCOL_VERSION: u32 = 2;