diff --git a/rpc-rs/Cargo.toml b/rpc-rs/Cargo.toml
index 00559b0..10e73f0 100644
--- a/rpc-rs/Cargo.toml
+++ b/rpc-rs/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasmbus-rpc"
-version = "0.7.0"
+version = "0.7.1"
 authors = [ "wasmcloud Team" ]
 license = "Apache-2.0"
 description = "Runtime library for actors and capability providers"
diff --git a/rpc-rs/src/lib.rs b/rpc-rs/src/lib.rs
index c2dd2a8..47c568a 100644
--- a/rpc-rs/src/lib.rs
+++ b/rpc-rs/src/lib.rs
@@ -77,6 +77,10 @@ pub mod rpc_client;
 #[doc(hidden)]
 pub const WASMBUS_RPC_IMPORT_NAME: &str = "wasmbus";
 
+/// Version number of this api
+#[doc(hidden)]
+pub const WASMBUS_RPC_VERSION: u32 = 0;
+
 /// This crate's published version
 pub const WELD_CRATE_VERSION: &str = env!("CARGO_PKG_VERSION");