diff --git a/runtime/pangolin/src/lib.rs b/runtime/pangolin/src/lib.rs
index 199e8435d..03b8534fd 100644
--- a/runtime/pangolin/src/lib.rs
+++ b/runtime/pangolin/src/lib.rs
@@ -75,7 +75,7 @@ pub const VERSION: sp_version::RuntimeVersion = sp_version::RuntimeVersion {
 	spec_name: sp_runtime::create_runtime_str!("Pangolin2"),
 	impl_name: sp_runtime::create_runtime_str!("DarwiniaOfficialRust"),
 	authoring_version: 0,
-	spec_version: 6_6_2_0,
+	spec_version: 6_6_2_1,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
 	transaction_version: 0,