diff --git a/crates/rpc/src/rpc.rs b/crates/rpc/src/rpc.rs
index d06f1c1c5c..01dda55cef 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 = 42;
+pub const PROTOCOL_VERSION: u32 = 43;