diff --git a/Cargo.lock b/Cargo.lock
index 42a2818d..05a891dd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2032,6 +2032,29 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "cumulus-client-consensus-relay-chain"
+version = "0.7.0"
+source = "git+https://github.com/paritytech/polkadot-sdk?branch=release-polkadot-v1.11.0#8c8edacf8942298c3807a2e192860da9e7e4996a"
+dependencies = [
+ "async-trait",
+ "cumulus-client-consensus-common",
+ "cumulus-primitives-core",
+ "cumulus-relay-chain-interface",
+ "futures",
+ "parking_lot 0.12.3",
+ "sc-consensus",
+ "sp-api",
+ "sp-block-builder",
+ "sp-blockchain",
+ "sp-consensus",
+ "sp-core",
+ "sp-inherents",
+ "sp-runtime",
+ "substrate-prometheus-endpoint",
+ "tracing",
+]
+
 [[package]]
 name = "cumulus-client-network"
 version = "0.7.0"
@@ -5220,9 +5243,12 @@ dependencies = [
  "cumulus-client-consensus-aura",
  "cumulus-client-consensus-common",
  "cumulus-client-consensus-proposer",
+ "cumulus-client-consensus-relay-chain",
  "cumulus-client-service",
  "cumulus-primitives-core",
+ "cumulus-primitives-parachain-inherent",
  "cumulus-relay-chain-interface",
+ "cumulus-test-relay-sproof-builder",
  "fc-api",
  "fc-cli",
  "fc-consensus",
diff --git a/Cargo.toml b/Cargo.toml
index 46d071d8..4c22cf91 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -183,6 +183,8 @@ cumulus-pallet-session-benchmarking = { git = "https://github.com/paritytech/pol
 cumulus-primitives-core = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.11.0", default-features = false }
 cumulus-primitives-timestamp = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.11.0", default-features = false }
 cumulus-primitives-utility = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.11.0", default-features = false }
+cumulus-primitives-parachain-inherent = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.11.0", default-features = false }
+cumulus-test-relay-sproof-builder = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.11.0", default-features = false }
 parachain-info = { package = "staging-parachain-info", git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.11.0", default-features = false }
 parachains-common = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.11.0", default-features = false }
 
@@ -191,6 +193,7 @@ cumulus-client-cli = { git = "https://github.com/paritytech/polkadot-sdk", branc
 cumulus-client-collator = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.11.0" }
 cumulus-client-consensus-aura = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.11.0" }
 cumulus-client-consensus-common = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.11.0" }
+cumulus-client-consensus-relay-chain = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.11.0" }
 cumulus-client-network = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.11.0" }
 cumulus-client-consensus-proposer = {git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.11.0"}
 cumulus-client-service = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.11.0" }
diff --git a/node/Cargo.toml b/node/Cargo.toml
index ed144e1a..980e98b2 100644
--- a/node/Cargo.toml
+++ b/node/Cargo.toml
@@ -63,8 +63,11 @@ cumulus-client-collator = { workspace = true }
 cumulus-client-consensus-aura = { workspace = true }
 cumulus-client-consensus-common = { workspace = true }
 cumulus-client-consensus-proposer = { workspace = true }
+cumulus-client-consensus-relay-chain = { workspace = true }
 cumulus-client-service = { workspace = true }
 cumulus-primitives-core = { workspace = true }
+cumulus-primitives-parachain-inherent = { workspace = true }
+cumulus-test-relay-sproof-builder = { workspace = true }
 cumulus-relay-chain-interface = { workspace = true }
 
 # Frontier
diff --git a/node/src/service.rs b/node/src/service.rs
index 1614b399..baf775b2 100644
--- a/node/src/service.rs
+++ b/node/src/service.rs
@@ -50,9 +50,11 @@ use sc_network_sync::SyncingService;
 use sc_service::{Configuration, PartialComponents, TFullBackend, TFullClient, TaskManager};
 use sc_telemetry::{Telemetry, TelemetryHandle, TelemetryWorker, TelemetryWorkerHandle};
 use sc_transaction_pool_api::OffchainTransactionPoolFactory;
+use sp_consensus_aura::{Slot, SlotDuration};
 use sp_core::U256;
 use sp_keystore::KeystorePtr;
 use substrate_prometheus_endpoint::Registry;
+
 // Frontier
 use crate::eth::{
 	db_config_dir, new_frontier_partial, spawn_frontier_tasks, BackendType, EthConfiguration,
@@ -310,8 +312,6 @@ async fn start_node_impl(
 		fc_mapping_sync::EthereumBlockNotification<Block>,
 	> = Default::default();
 	let pubsub_notification_sinks = Arc::new(pubsub_notification_sinks);
-	let slot_duration = sc_consensus_aura::slot_duration(&*client)?;
-	let target_gas_price = eth_config.target_gas_price;
 
 	// for ethereum-compatibility rpc.
 	parachain_config.rpc_id_provider = Some(Box::new(fc_rpc::EthereumSubIdProvider));
@@ -344,15 +344,33 @@ async fn start_node_impl(
 		execute_gas_limit_multiplier: eth_config.execute_gas_limit_multiplier,
 		forced_parent_hashes: None,
 		pending_create_inherent_data_providers: move |_, ()| async move {
-			let current = sp_timestamp::InherentDataProvider::from_system_time();
-			let next_slot = current.timestamp().as_millis() + slot_duration.as_millis();
-			let timestamp = sp_timestamp::InherentDataProvider::new(next_slot.into());
-			let slot = sp_consensus_aura::inherents::InherentDataProvider::from_timestamp_and_slot_duration(
-				*timestamp,
-				slot_duration,
+			// Patch from https://github.com/darwinia-network/darwinia/pull/1608
+			let timestamp = sp_timestamp::InherentDataProvider::from_system_time();
+			let relay_chain_slot = Slot::from_timestamp(
+				timestamp.timestamp(),
+				SlotDuration::from_millis(6000_u64), // RELAY_CHAIN_SLOT_DURATION_MILLIS
 			);
-			let dynamic_fee = fp_dynamic_fee::InherentDataProvider(U256::from(target_gas_price));
-			Ok((slot, timestamp, dynamic_fee))
+
+			let state_proof_builder = cumulus_test_relay_sproof_builder::RelayStateSproofBuilder {
+				para_id,
+				current_slot: relay_chain_slot,
+				included_para_head: Some(polkadot_primitives::HeadData(vec![])),
+				..Default::default()
+			};
+			let (relay_parent_storage_root, relay_chain_state) =
+				state_proof_builder.into_state_root_and_proof();
+			let parachain_inherent_data =
+				cumulus_primitives_parachain_inherent::ParachainInherentData {
+					validation_data: cumulus_primitives_core::PersistedValidationData {
+						relay_parent_number: u32::MAX,
+						relay_parent_storage_root,
+						..Default::default()
+					},
+					relay_chain_state,
+					downward_messages: Default::default(),
+					horizontal_messages: Default::default(),
+				};
+			Ok((timestamp, parachain_inherent_data))
 		},
 	};
 
diff --git a/primitives/src/lib.rs b/primitives/src/lib.rs
index 0e0b28a5..8562769f 100644
--- a/primitives/src/lib.rs
+++ b/primitives/src/lib.rs
@@ -19,12 +19,18 @@
 #![warn(missing_docs)]
 #![cfg_attr(not(feature = "std"), no_std)]
 
-use frame_support::weights::IdentityFee;
+use frame_support::weights::{constants::WEIGHT_REF_TIME_PER_SECOND, IdentityFee, Weight};
 use frame_system::limits;
-pub use parachains_common::{MAXIMUM_BLOCK_WEIGHT, NORMAL_DISPATCH_RATIO};
+pub use parachains_common::NORMAL_DISPATCH_RATIO;
 use sp_core::Hasher as HasherT;
 use sp_runtime::traits::{BlakeTwo256, IdentifyAccount, Verify};
 
+/// We allow for 2 seconds of compute with a 6 second average block.
+pub const MAXIMUM_BLOCK_WEIGHT: Weight = Weight::from_parts(
+	WEIGHT_REF_TIME_PER_SECOND.saturating_mul(2),
+	cumulus_primitives_core::relay_chain::MAX_POV_SIZE as u64,
+);
+
 /// Authority ID used in parachain.
 pub type AuraId = sp_consensus_aura::sr25519::AuthorityId;
 
@@ -78,12 +84,12 @@ mod tests {
 		let weights = RuntimeBlockWeights::get();
 
 		assert_eq!(weights.base_block, Weight::from_parts(453383000, 0));
-		assert_eq!(weights.max_block, Weight::from_parts(500000000000, 5242880));
+		assert_eq!(weights.max_block, Weight::from_parts(2000000000000, 5242880));
 
 		let normal = weights.per_class.get(DispatchClass::Normal);
 		assert_eq!(normal.base_extrinsic, Weight::from_parts(107074000, 0));
-		assert_eq!(normal.max_extrinsic, Some(Weight::from_parts(324892926000, 3407872)));
-		assert_eq!(normal.max_total, Some(Weight::from_parts(375000000000, 3932160)));
+		assert_eq!(normal.max_extrinsic, Some(Weight::from_parts(1299892926000, 3407872)));
+		assert_eq!(normal.max_total, Some(Weight::from_parts(1500000000000, 3932160)));
 		assert_eq!(normal.reserved, Some(Weight::from_parts(0, 0)));
 
 		let mandatory = weights.per_class.get(DispatchClass::Mandatory);
@@ -94,8 +100,8 @@ mod tests {
 
 		let operational = weights.per_class.get(DispatchClass::Operational);
 		assert_eq!(operational.base_extrinsic, Weight::from_parts(107074000, 0));
-		assert_eq!(operational.max_extrinsic, Some(Weight::from_parts(449892926000, 4718592)));
-		assert_eq!(operational.max_total, Some(Weight::from_parts(500000000000, 5242880)));
-		assert_eq!(operational.reserved, Some(Weight::from_parts(125000000000, 1310720)));
+		assert_eq!(operational.max_extrinsic, Some(Weight::from_parts(1799892926000, 4718592)));
+		assert_eq!(operational.max_total, Some(Weight::from_parts(2000000000000, 5242880)));
+		assert_eq!(operational.reserved, Some(Weight::from_parts(500000000000, 1310720)));
 	}
 }
diff --git a/runtime/laos/src/configs/aura.rs b/runtime/laos/src/configs/aura.rs
index 878f12af..f1119ffd 100644
--- a/runtime/laos/src/configs/aura.rs
+++ b/runtime/laos/src/configs/aura.rs
@@ -20,7 +20,7 @@ use sp_core::ConstU64;
 
 parameter_types! {
 	pub const MaxAuthorities : u32 = 100_000;
-	pub const AllowMultipleBlocksPerSlot: bool = false;
+	pub const AllowMultipleBlocksPerSlot: bool = true;
 }
 
 impl pallet_aura::Config for Runtime {
diff --git a/runtime/laos/src/configs/collective.rs b/runtime/laos/src/configs/collective.rs
index f7da8573..7519def1 100644
--- a/runtime/laos/src/configs/collective.rs
+++ b/runtime/laos/src/configs/collective.rs
@@ -1,8 +1,10 @@
-use crate::{weights, AccountId, BlockNumber, Runtime, RuntimeCall, RuntimeEvent, RuntimeOrigin};
+use crate::{
+	weights, AccountId, BlockNumber, Runtime, RuntimeCall, RuntimeEvent, RuntimeOrigin, DAYS,
+	MINUTES,
+};
 use frame_support::{pallet_prelude::Weight, parameter_types};
 use frame_system::EnsureRoot;
 use laos_primitives::RuntimeBlockWeights;
-use parachains_common::{DAYS, MINUTES};
 use polkadot_runtime_common::prod_or_fast;
 use sp_runtime::Perbill;
 
diff --git a/runtime/laos/src/configs/cumulus_parachain_system.rs b/runtime/laos/src/configs/cumulus_parachain_system.rs
index 33b13fb2..90a70e54 100644
--- a/runtime/laos/src/configs/cumulus_parachain_system.rs
+++ b/runtime/laos/src/configs/cumulus_parachain_system.rs
@@ -38,7 +38,8 @@ impl cumulus_pallet_parachain_system::Config for Runtime {
 	type ReservedDmpWeight = ReservedDmpWeight;
 	type XcmpMessageHandler = XcmpQueue;
 	type ReservedXcmpWeight = ReservedXcmpWeight;
-	type CheckAssociatedRelayNumber = cumulus_pallet_parachain_system::RelayNumberStrictlyIncreases;
+	type CheckAssociatedRelayNumber =
+		cumulus_pallet_parachain_system::RelayNumberMonotonicallyIncreases;
 	type ConsensusHook = ConsensusHook;
 	type DmpQueue = frame_support::traits::EnqueueWithOrigin<MessageQueue, RelayOrigin>;
 	type WeightInfo = weights::cumulus_pallet_parachain_system::WeightInfo<Runtime>;
diff --git a/runtime/laos/src/configs/democracy.rs b/runtime/laos/src/configs/democracy.rs
index ab611a75..924e9532 100644
--- a/runtime/laos/src/configs/democracy.rs
+++ b/runtime/laos/src/configs/democracy.rs
@@ -4,11 +4,10 @@ use super::collective::{
 };
 use crate::{
 	currency::UNIT, weights, AccountId, Balance, Balances, BlockNumber, OriginCaller, Preimage,
-	Runtime, RuntimeEvent, Scheduler, TechnicalCommitteeMembership, Treasury,
+	Runtime, RuntimeEvent, Scheduler, TechnicalCommitteeMembership, Treasury, DAYS, HOURS, MINUTES,
 };
 use frame_support::{parameter_types, traits::EitherOfDiverse};
 use frame_system::{EnsureRoot, EnsureSigned, EnsureSignedBy};
-use parachains_common::{DAYS, HOURS, MINUTES};
 use polkadot_runtime_common::prod_or_fast;
 
 parameter_types! {
@@ -148,7 +147,7 @@ mod tests {
 				);
 
 				// the same preimage can be re-proposed as the cooloff period is over
-				frame_system::Pallet::<Runtime>::set_block_number(50402);
+				frame_system::Pallet::<Runtime>::set_block_number(50402 * 2);
 				assert_ok!(pallet_democracy::Pallet::<Runtime>::external_propose(
 					OriginCaller::Council(pallet_collective::RawOrigin::Members(1, 1)).into(),
 					preimage
diff --git a/runtime/laos/src/configs/election_phragmen.rs b/runtime/laos/src/configs/election_phragmen.rs
index bdc18390..7ab9f80d 100644
--- a/runtime/laos/src/configs/election_phragmen.rs
+++ b/runtime/laos/src/configs/election_phragmen.rs
@@ -1,9 +1,8 @@
 use crate::{
 	currency::UNIT, weights, Balance, Balances, BlockNumber, Council, Runtime, RuntimeEvent,
-	Treasury,
+	Treasury, DAYS, MINUTES,
 };
 use frame_support::{parameter_types, traits::LockIdentifier};
-use parachains_common::{DAYS, MINUTES};
 use polkadot_runtime_common::{prod_or_fast, CurrencyToVote};
 
 parameter_types! {
diff --git a/runtime/laos/src/configs/evm.rs b/runtime/laos/src/configs/evm.rs
index c6919f83..96a9ffc4 100644
--- a/runtime/laos/src/configs/evm.rs
+++ b/runtime/laos/src/configs/evm.rs
@@ -131,7 +131,7 @@ mod tests {
 
 	#[test]
 	fn check_block_gas_limit() {
-		assert_eq!(BlockGasLimit::get(), 15000000.into());
+		assert_eq!(BlockGasLimit::get(), 60000000.into());
 	}
 
 	#[test]
diff --git a/runtime/laos/src/configs/identity.rs b/runtime/laos/src/configs/identity.rs
index 91dc91bd..129e9908 100644
--- a/runtime/laos/src/configs/identity.rs
+++ b/runtime/laos/src/configs/identity.rs
@@ -1,10 +1,9 @@
 use crate::{
 	currency::calculate_deposit, AccountId, Balance, Balances, Runtime, RuntimeEvent, Signature,
-	Treasury,
+	Treasury, DAYS,
 };
 use frame_support::parameter_types;
 use frame_system::EnsureRoot;
-use parachains_common::DAYS;
 
 parameter_types! {
 	pub const MaxSubAccounts: u32 = 100;
diff --git a/runtime/laos/src/configs/parachain_staking.rs b/runtime/laos/src/configs/parachain_staking.rs
index 6f4fa8b4..35e61f0c 100644
--- a/runtime/laos/src/configs/parachain_staking.rs
+++ b/runtime/laos/src/configs/parachain_staking.rs
@@ -343,6 +343,6 @@ mod tests {
 
 	#[test]
 	fn test_slot_per_year() {
-		assert_eq!(SlotsPerYear::get(), 31_557_600 / 12);
+		assert_eq!(SlotsPerYear::get(), 31_557_600 / 6);
 	}
 }
diff --git a/runtime/laos/src/configs/scheduler.rs b/runtime/laos/src/configs/scheduler.rs
index 0a9afb0b..c2fce06a 100644
--- a/runtime/laos/src/configs/scheduler.rs
+++ b/runtime/laos/src/configs/scheduler.rs
@@ -3,8 +3,7 @@ use crate::{
 };
 use frame_support::{parameter_types, traits::EqualPrivilegeOnly, weights::Weight};
 use frame_system::EnsureRoot;
-use laos_primitives::RuntimeBlockWeights;
-pub use parachains_common::NORMAL_DISPATCH_RATIO;
+use laos_primitives::{RuntimeBlockWeights, NORMAL_DISPATCH_RATIO};
 
 parameter_types! {
 	pub const MaxScheduledPerBlock: u32 = 50;
diff --git a/runtime/laos/src/configs/timestamp.rs b/runtime/laos/src/configs/timestamp.rs
index a1d52a99..8b448299 100644
--- a/runtime/laos/src/configs/timestamp.rs
+++ b/runtime/laos/src/configs/timestamp.rs
@@ -14,11 +14,11 @@
 // You should have received a copy of the GNU General Public License
 // along with LAOS.  If not, see <http://www.gnu.org/licenses/>.
 
-use crate::{weights, Aura, Runtime, MILLISECS_PER_BLOCK};
+use crate::{weights, Aura, Runtime};
 use frame_support::parameter_types;
 
 parameter_types! {
-	pub const MinimumPeriod: u64 = MILLISECS_PER_BLOCK / 2;
+	pub const MinimumPeriod: u64 = 0;
 }
 
 impl pallet_timestamp::Config for Runtime {
diff --git a/runtime/laos/src/configs/treasury.rs b/runtime/laos/src/configs/treasury.rs
index a3165dcd..e9e49c2a 100644
--- a/runtime/laos/src/configs/treasury.rs
+++ b/runtime/laos/src/configs/treasury.rs
@@ -1,7 +1,7 @@
 use super::collective::CouncilMajority;
 use crate::{
 	currency::UNIT, weights, AccountId, Balance, Balances, BlockNumber, Permill, Runtime,
-	RuntimeEvent, Treasury,
+	RuntimeEvent, Treasury, DAYS, MINUTES,
 };
 use frame_support::{
 	parameter_types,
@@ -12,7 +12,6 @@ use frame_support::{
 	PalletId,
 };
 use frame_system::EnsureRoot;
-use parachains_common::{DAYS, MINUTES};
 use polkadot_runtime_common::prod_or_fast;
 use sp_runtime::traits::IdentityLookup;
 
diff --git a/runtime/laos/src/lib.rs b/runtime/laos/src/lib.rs
index 236f4d40..883857ee 100644
--- a/runtime/laos/src/lib.rs
+++ b/runtime/laos/src/lib.rs
@@ -91,7 +91,10 @@ impl_opaque_keys! {
 }
 
 /// This determines the average expected block time that we are targeting.
-pub const MILLISECS_PER_BLOCK: u64 = 12000;
+pub const MILLISECS_PER_BLOCK: u64 = 6000;
+pub const MINUTES: BlockNumber = 60_000 / (MILLISECS_PER_BLOCK as BlockNumber);
+pub const HOURS: BlockNumber = MINUTES * 60;
+pub const DAYS: BlockNumber = HOURS * 24;
 
 /// Version of the runtime
 #[sp_version::runtime_version]
diff --git a/runtime/laos/src/tests/metadata15.golden b/runtime/laos/src/tests/metadata15.golden
index 6c95b881..9bde2404 100644
--- a/runtime/laos/src/tests/metadata15.golden
+++ b/runtime/laos/src/tests/metadata15.golden
@@ -37660,12 +37660,13 @@
                 24,
                 108,
                 0,
-                7,
+                11,
                 0,
-                136,
-                82,
-                106,
-                116,
+                32,
+                74,
+                169,
+                209,
+                1,
                 2,
                 0,
                 64,
@@ -37676,23 +37677,25 @@
                 25,
                 0,
                 1,
-                7,
+                11,
                 48,
-                160,
-                32,
-                165,
-                75,
+                246,
+                167,
+                167,
+                46,
+                1,
                 2,
                 0,
                 208,
                 0,
                 1,
-                7,
+                11,
                 0,
-                230,
-                189,
-                79,
-                87,
+                152,
+                247,
+                62,
+                93,
+                1,
                 2,
                 0,
                 240,
@@ -37706,23 +37709,25 @@
                 25,
                 0,
                 1,
-                7,
+                11,
                 48,
-                66,
-                181,
-                191,
-                104,
+                126,
+                250,
+                17,
+                163,
+                1,
                 2,
                 0,
                 32,
                 1,
                 1,
-                7,
+                11,
                 0,
-                136,
-                82,
-                106,
-                116,
+                32,
+                74,
+                169,
+                209,
+                1,
                 2,
                 0,
                 64,
@@ -37730,10 +37735,10 @@
                 1,
                 7,
                 0,
-                162,
-                148,
-                26,
-                29,
+                136,
+                82,
+                106,
+                116,
                 2,
                 0,
                 80,
@@ -37828,7 +37833,7 @@
                 0,
                 0,
                 0,
-                244,
+                245,
                 8,
                 0,
                 0,
@@ -38558,8 +38563,8 @@
               "name": "MinimumPeriod",
               "ty": 12,
               "value": [
-                112,
-                23,
+                0,
+                0,
                 0,
                 0,
                 0,
@@ -39301,9 +39306,9 @@
               "name": "PendingUsernameExpiration",
               "ty": 4,
               "value": [
-                224,
-                196,
-                0,
+                192,
+                137,
+                1,
                 0
               ],
               "docs": [
@@ -40065,8 +40070,8 @@
               "name": "SlotDuration",
               "ty": 12,
               "value": [
-                224,
-                46,
+                112,
+                23,
                 0,
                 0,
                 0,
@@ -41435,10 +41440,10 @@
                 1,
                 7,
                 0,
-                162,
-                148,
-                26,
-                29,
+                136,
+                82,
+                106,
+                116,
                 2,
                 0,
                 80,
@@ -41587,10 +41592,10 @@
               "value": [
                 7,
                 0,
-                68,
-                41,
-                53,
-                58,
+                16,
+                165,
+                212,
+                232,
                 2,
                 0,
                 160,
@@ -41785,9 +41790,9 @@
               "name": "SpendPeriod",
               "ty": 4,
               "value": [
-                224,
-                196,
-                0,
+                192,
+                137,
+                1,
                 0
               ],
               "docs": [
@@ -42116,9 +42121,9 @@
               "name": "TermDuration",
               "ty": 4,
               "value": [
-                128,
-                19,
-                3,
+                0,
+                39,
+                6,
                 0
               ],
               "docs": [
@@ -42374,10 +42379,10 @@
               "value": [
                 7,
                 0,
-                68,
-                41,
-                53,
-                58,
+                16,
+                165,
+                212,
+                232,
                 2,
                 0,
                 160,
@@ -42483,12 +42488,13 @@
               "name": "MaximumWeight",
               "ty": 10,
               "value": [
-                7,
+                11,
                 0,
-                230,
-                189,
-                79,
-                87,
+                152,
+                247,
+                62,
+                93,
+                1,
                 2,
                 0,
                 240,
@@ -42813,8 +42819,8 @@
               "ty": 4,
               "value": [
                 0,
-                225,
-                0,
+                194,
+                1,
                 0
               ],
               "docs": [
@@ -42829,9 +42835,9 @@
               "name": "LaunchPeriod",
               "ty": 4,
               "value": [
-                224,
-                196,
-                0,
+                192,
+                137,
+                1,
                 0
               ],
               "docs": [
@@ -42842,9 +42848,9 @@
               "name": "VotingPeriod",
               "ty": 4,
               "value": [
-                224,
-                196,
-                0,
+                192,
+                137,
+                1,
                 0
               ],
               "docs": [
@@ -42856,8 +42862,8 @@
               "ty": 4,
               "value": [
                 0,
-                225,
-                0,
+                194,
+                1,
                 0
               ],
               "docs": [
@@ -42908,8 +42914,8 @@
               "name": "FastTrackVotingPeriod",
               "ty": 4,
               "value": [
-                132,
-                3,
+                8,
+                7,
                 0,
                 0
               ],
@@ -42921,9 +42927,9 @@
               "name": "CooloffPeriod",
               "ty": 4,
               "value": [
-                224,
-                196,
-                0,
+                192,
+                137,
+                1,
                 0
               ],
               "docs": [
diff --git a/runtime/laos/src/tests/mod.rs b/runtime/laos/src/tests/mod.rs
index ad9ae35a..bc8eecab 100644
--- a/runtime/laos/src/tests/mod.rs
+++ b/runtime/laos/src/tests/mod.rs
@@ -105,13 +105,13 @@ fn test_block_and_gas_limit_constants() {
 
 	assert_ok!(system_block_weights.clone().validate());
 	// 0.5s of block time
-	assert_eq!(system_block_weights.max_block.ref_time(), 500_000_000_000);
+	assert_eq!(system_block_weights.max_block.ref_time(), 2_000_000_000_000);
 
 	// EVM constants
 	let block_gas_limit = <Runtime as pallet_evm::Config>::BlockGasLimit::get();
 
 	// 15M gas
-	assert_eq!(block_gas_limit, U256::from(15_000_000));
+	assert_eq!(block_gas_limit, U256::from(60_000_000));
 }
 
 #[test]
diff --git a/zombienet/download_polkadot.sh b/zombienet/download_polkadot.sh
index 631bb90d..899f4dc7 100755
--- a/zombienet/download_polkadot.sh
+++ b/zombienet/download_polkadot.sh
@@ -2,7 +2,7 @@
 
 # Default version and download directory
 VERSION=${1:-"v1.11.0"}
-DOWNLOAD_DIR=${2:-"./tmp"}  # Default is the current directory
+DOWNLOAD_DIR=${2:-"./tmp"}  # Default is tmp
 
 BASE_URL="https://github.com/paritytech/polkadot-sdk/releases/download/polkadot-$VERSION"