diff --git a/runtime/westend/src/lib.rs b/runtime/westend/src/lib.rs
index 9ca7cf5fa20b..f29739fd45fd 100644
--- a/runtime/westend/src/lib.rs
+++ b/runtime/westend/src/lib.rs
@@ -116,7 +116,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	apis: RUNTIME_API_VERSIONS,
 	#[cfg(feature = "disable-runtime-api")]
 	apis: sp_version::create_apis_vec![[]],
-	transaction_version: 20,
+	transaction_version: 21,
 	state_version: 1,
 };