diff --git a/runtime/common/src/gov_origin.rs b/runtime/common/src/gov_origin.rs
index f53b64ec8..9dda93504 100644
--- a/runtime/common/src/gov_origin.rs
+++ b/runtime/common/src/gov_origin.rs
@@ -51,3 +51,8 @@ pub type All<T> = EnsureProportionAtLeast<AccountId, T, 1, 1>;
 /// An [`AccountId20`] generated from b"root".
 pub const ROOT: AccountId20 =
 	AccountId20([0x72, 0x6f, 0x6f, 0x74, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]);
+
+/// Deposit contract `0x46275d29113f065c2aac262f34C7a3d8a8B7377D`.
+pub const KTON_ADMIN: AccountId20 = AccountId20([
+	70, 39, 93, 41, 17, 63, 6, 92, 42, 172, 38, 47, 52, 199, 163, 216, 168, 183, 55, 125,
+]);
diff --git a/runtime/crab/src/pallets/deposit.rs b/runtime/crab/src/pallets/deposit.rs
index d0fe9ad76..6ce414c14 100644
--- a/runtime/crab/src/pallets/deposit.rs
+++ b/runtime/crab/src/pallets/deposit.rs
@@ -39,7 +39,7 @@ impl darwinia_deposit::SimpleAsset for KtonMinting {
 			Err(<pallet_assets::Error<Runtime>>::BalanceLow)?;
 		}
 
-		Assets::burn(RuntimeOrigin::signed(ROOT), asset_id.into(), *who, amount)
+		Assets::burn(RuntimeOrigin::signed(KTON_ADMIN), asset_id.into(), *who, amount)
 	}
 }
 
diff --git a/runtime/darwinia/src/pallets/deposit.rs b/runtime/darwinia/src/pallets/deposit.rs
index 2fd603bff..e1ca34c21 100644
--- a/runtime/darwinia/src/pallets/deposit.rs
+++ b/runtime/darwinia/src/pallets/deposit.rs
@@ -39,7 +39,7 @@ impl darwinia_deposit::SimpleAsset for KtonMinting {
 			Err(<pallet_assets::Error<Runtime>>::BalanceLow)?;
 		}
 
-		Assets::burn(RuntimeOrigin::signed(ROOT), asset_id.into(), *who, amount)
+		Assets::burn(RuntimeOrigin::signed(KTON_ADMIN), asset_id.into(), *who, amount)
 	}
 }
 
diff --git a/runtime/koi/src/lib.rs b/runtime/koi/src/lib.rs
index 947a11780..e5bf25c80 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_5_9,
+	spec_version: 6_6_6_0,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
 	transaction_version: 0,
diff --git a/runtime/koi/src/pallets/deposit.rs b/runtime/koi/src/pallets/deposit.rs
index fe014b61c..d5789c6d0 100644
--- a/runtime/koi/src/pallets/deposit.rs
+++ b/runtime/koi/src/pallets/deposit.rs
@@ -39,7 +39,7 @@ impl darwinia_deposit::SimpleAsset for KtonMinting {
 			Err(<pallet_assets::Error<Runtime>>::BalanceLow)?;
 		}
 
-		Assets::burn(RuntimeOrigin::signed(ROOT), asset_id.into(), *who, amount)
+		Assets::burn(RuntimeOrigin::signed(KTON_ADMIN), asset_id.into(), *who, amount)
 	}
 }