diff --git a/node/src/chain_specs/manta/public_testnet_genesis.rs b/node/src/chain_specs/manta/public_testnet_genesis.rs
index 5c877cb18..5b5830c31 100644
--- a/node/src/chain_specs/manta/public_testnet_genesis.rs
+++ b/node/src/chain_specs/manta/public_testnet_genesis.rs
@@ -25,7 +25,7 @@ pub fn genesis_spec() -> MantaChainSpec {
     let genesis_collators: Vec<Collator> = vec![
         Collator::new(
             hex!("0c9429df04f4c051d022a262d5c786d4cde9688bd230c139814f935f14709975").into(),
-            Some("/dns/c1.calamari.seabird.systems/tcp/30433/p2p/12D3KooWGdvxcAc9KK4ihY4GhC6Mh9QEFiqfVMvHBKHs7HYACPMm".parse().unwrap()),
+            Some("/dns/c1.manta.seabird.systems/tcp/30433/p2p/12D3KooWGdvxcAc9KK4ihY4GhC6Mh9QEFiqfVMvHBKHs7HYACPMm".parse().unwrap()),
             SessionKeys::new((
                 hex!("0c9429df04f4c051d022a262d5c786d4cde9688bd230c139814f935f14709975").unchecked_into(),
                 hex!("0c9429df04f4c051d022a262d5c786d4cde9688bd230c139814f935f14709975").unchecked_into()
@@ -33,7 +33,7 @@ pub fn genesis_spec() -> MantaChainSpec {
         ),
         Collator::new(
             hex!("969bf93aac86684a129d71ab97335a8f462b46516d916c9b62bbf3c1ac2d860e").into(),
-            Some("/dns/c2.calamari.seabird.systems/tcp/30433/p2p/12D3KooWRC2JTv5UdGqesaCwP61CeohNmNQk6jBQUK2AB3PmSsNZ".parse().unwrap()),
+            Some("/dns/c2.manta.seabird.systems/tcp/30433/p2p/12D3KooWRC2JTv5UdGqesaCwP61CeohNmNQk6jBQUK2AB3PmSsNZ".parse().unwrap()),
             SessionKeys::new((
                 hex!("969bf93aac86684a129d71ab97335a8f462b46516d916c9b62bbf3c1ac2d860e").unchecked_into(),
                 hex!("969bf93aac86684a129d71ab97335a8f462b46516d916c9b62bbf3c1ac2d860e").unchecked_into()
@@ -41,7 +41,7 @@ pub fn genesis_spec() -> MantaChainSpec {
         ),
         Collator::new(
             hex!("2234305637d7b6c529caf0169870b2319ece97d59bff1c2c1258dfbeffee9620").into(),
-            Some("/dns/c3.calamari.seabird.systems/tcp/30433/p2p/12D3KooWBWE83sP71QNfhPJr6umSWRyV2rF3tG1ZtauMyEyLprC3".parse().unwrap()),
+            Some("/dns/c3.manta.seabird.systems/tcp/30433/p2p/12D3KooWBWE83sP71QNfhPJr6umSWRyV2rF3tG1ZtauMyEyLprC3".parse().unwrap()),
             SessionKeys::new((
                 hex!("2234305637d7b6c529caf0169870b2319ece97d59bff1c2c1258dfbeffee9620").unchecked_into(),
                 hex!("2234305637d7b6c529caf0169870b2319ece97d59bff1c2c1258dfbeffee9620").unchecked_into()
@@ -49,7 +49,7 @@ pub fn genesis_spec() -> MantaChainSpec {
         ),
         Collator::new(
             hex!("543074b204c62b78c366486839dd0cd7d07f16f3d0226bbcc8a3b41d4a88887a").into(),
-            Some("/dns/c4.calamari.seabird.systems/tcp/30433/p2p/12D3KooWCvAKZDGGd3B81QRhJh8a3TsNbojEtdH8WF2p8mFsVyv1".parse().unwrap()),
+            Some("/dns/c4.manta.seabird.systems/tcp/30433/p2p/12D3KooWCvAKZDGGd3B81QRhJh8a3TsNbojEtdH8WF2p8mFsVyv1".parse().unwrap()),
             SessionKeys::new((
                 hex!("543074b204c62b78c366486839dd0cd7d07f16f3d0226bbcc8a3b41d4a88887a").unchecked_into(),
                 hex!("543074b204c62b78c366486839dd0cd7d07f16f3d0226bbcc8a3b41d4a88887a").unchecked_into()
@@ -57,7 +57,7 @@ pub fn genesis_spec() -> MantaChainSpec {
         ),
         Collator::new(
             hex!("acc4608e1c31f3f98ea1a0f3a8a74ade8aca396f269c26c1dd9019e812b11503").into(),
-            Some("/dns/c5.calamari.seabird.systems/tcp/30433/p2p/12D3KooWQghBNgKanHtS4pCwBGeexw2QPvfgV15eMjr2YckVHCAD".parse().unwrap()),
+            Some("/dns/c5.manta.seabird.systems/tcp/30433/p2p/12D3KooWQghBNgKanHtS4pCwBGeexw2QPvfgV15eMjr2YckVHCAD".parse().unwrap()),
             SessionKeys::new((
                 hex!("acc4608e1c31f3f98ea1a0f3a8a74ade8aca396f269c26c1dd9019e812b11503").unchecked_into(),
                 hex!("acc4608e1c31f3f98ea1a0f3a8a74ade8aca396f269c26c1dd9019e812b11503").unchecked_into()
diff --git a/tests/check_parachain_lease_expiration.ts b/tests/check_parachain_lease_expiration.ts
index bb7754c27..55d379895 100644
--- a/tests/check_parachain_lease_expiration.ts
+++ b/tests/check_parachain_lease_expiration.ts
@@ -49,7 +49,7 @@ describe('Check Parachain_Lease_Expiration', () => {
     }).timeout(TEST_TIMEOUT);
 
     it('Check Calamari Parachain Lease', async () => {
-        const kusamaNode = 'wss://kusama.api.onfinality.io/public-ws';
+        const kusamaNode = 'wss://kusama-rpc.dwellir.com';
         const kusamaApi = await createPromiseApi(kusamaNode);
         const calamariParaId = 2084;
         const oneDay = 3600 * 24;