diff --git a/runtime/koi/src/lib.rs b/runtime/koi/src/lib.rs
index 15ea2e813..3cf5fd2a3 100644
--- a/runtime/koi/src/lib.rs
+++ b/runtime/koi/src/lib.rs
@@ -80,7 +80,7 @@ pub const VERSION: sp_version::RuntimeVersion = sp_version::RuntimeVersion {
 	spec_name: sp_runtime::create_runtime_str!("Darwinia Koi"),
 	impl_name: sp_runtime::create_runtime_str!("DarwiniaOfficialRust"),
 	authoring_version: 0,
-	spec_version: 6_6_6_1,
+	spec_version: 6_6_6_2,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
 	transaction_version: 0,