diff --git a/runtime/trappist/src/lib.rs b/runtime/trappist/src/lib.rs
index dcabdcdb..20f94b80 100644
--- a/runtime/trappist/src/lib.rs
+++ b/runtime/trappist/src/lib.rs
@@ -137,7 +137,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	spec_version: 9420,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
-	transaction_version: 1,
+	transaction_version: 2,
 	state_version: 1,
 };