diff --git a/relay/paseo/src/genesis_config_presets.rs b/relay/paseo/src/genesis_config_presets.rs
index aab7cbb..4024444 100644
--- a/relay/paseo/src/genesis_config_presets.rs
+++ b/relay/paseo/src/genesis_config_presets.rs
@@ -20,7 +20,11 @@ use crate::*;
 use babe_primitives::AuthorityId as BabeId;
 use pallet_staking::{Forcing, StakerStatus};
 use paseo_runtime_constants::currency::UNITS as PAS;
-use polkadot_primitives::{AccountPublic, AssignmentId, AsyncBackingParams, ExecutorParam::{MaxMemoryPages, PvfExecTimeout}, PvfExecKind};
+use polkadot_primitives::{
+	AccountPublic, AssignmentId, AsyncBackingParams,
+	ExecutorParam::{MaxMemoryPages, PvfExecTimeout},
+	PvfExecKind,
+};
 use runtime_parachains::configuration::HostConfiguration;
 use sp_core::{sr25519, Pair, Public};
 use sp_genesis_builder::PresetId;
@@ -89,11 +93,13 @@ fn testnet_accounts() -> Vec<AccountId> {
 fn default_parachains_host_configuration() -> HostConfiguration<polkadot_primitives::BlockNumber> {
 	use polkadot_primitives::{MAX_CODE_SIZE, MAX_POV_SIZE};
 
-	let executor_parameteres = ExecutorParams::from(&[
-		MaxMemoryPages(8192),
-		PvfExecTimeout(PvfExecKind::Backing, 2500),
-		PvfExecTimeout(PvfExecKind::Approval, 15000),
-	][..]);
+	let executor_parameteres = ExecutorParams::from(
+		&[
+			MaxMemoryPages(8192),
+			PvfExecTimeout(PvfExecKind::Backing, 2500),
+			PvfExecTimeout(PvfExecKind::Approval, 15000),
+		][..],
+	);
 
 	runtime_parachains::configuration::HostConfiguration {
 		validation_upgrade_cooldown: 2u32,
@@ -103,17 +109,17 @@ fn default_parachains_host_configuration() -> HostConfiguration<polkadot_primiti
 		max_pov_size: MAX_POV_SIZE,
 		max_head_data_size: 32 * 1024,
 		max_upward_queue_count: 174172,
-		max_upward_queue_size: 1024 * 1024,
-		max_downward_message_size: 1024 * 1024,
+		max_upward_queue_size: 65_531,
+		max_downward_message_size: 51_200,
 		max_upward_message_size: 50 * 1024,
 		max_upward_message_num_per_candidate: 16,
 		hrmp_sender_deposit: 0,
 		hrmp_recipient_deposit: 0,
 		hrmp_channel_max_capacity: 1000,
 		hrmp_channel_max_total_size: 100 * 1024,
-		hrmp_max_parachain_inbound_channels: 10,
-		hrmp_channel_max_message_size: 1024 * 1024,
-		hrmp_max_parachain_outbound_channels: 10,
+		hrmp_max_parachain_inbound_channels: 30,
+		hrmp_channel_max_message_size: 100 * 1024,
+		hrmp_max_parachain_outbound_channels: 30,
 		hrmp_max_message_num_per_candidate: 10,
 		dispute_period: 6,
 		no_show_slots: 2,
@@ -204,6 +210,9 @@ fn paseo_testnet_genesis(
 		"configuration": {
 			"config": default_parachains_host_configuration(),
 		},
+		"hrmp": {
+			"preopenHrmpChannels": Vec::<(u32,u32,u32,u32)>::new(),
+		}
 	})
 }