diff --git a/src/regionx/index.init.ts b/src/regionx/index.init.ts
index 18e6394..c4e73fb 100644
--- a/src/regionx/index.init.ts
+++ b/src/regionx/index.init.ts
@@ -64,7 +64,7 @@ async function transferRelayTokensToRegionX(
   const feeAssetItem = 0;
   const weightLimit = "Unlimited";
   const reserveTransfer = relayApi.tx.xcmPallet.limitedReserveTransferAssets(
-    { V3: { parents: 0, interior: { X1: { Parachain: 2000 } } } }, //dest
+    { V3: { parents: 0, interior: { X1: { Parachain: 4479 } } } }, //dest
     {
       V3: {
         parents: 0,
diff --git a/src/zombienet.init.ts b/src/zombienet.init.ts
index f4efeb2..c3b29f0 100644
--- a/src/zombienet.init.ts
+++ b/src/zombienet.init.ts
@@ -15,7 +15,7 @@ program
 program.parse(process.argv);
 
 const CORETIME_PARA_ID = 1005;
-const CONTRACTS_PARA_ID = 2000;
+const CONTRACTS_PARA_ID = 4479;
 
 const ROCOCO_ENDPOINT = "ws://127.0.0.1:9900";
 const CORETIME_ENDPOINT = "ws://127.0.0.1:9910";
diff --git a/zombienet/network.toml b/zombienet/network.toml
index c4ea1a8..31d5b6e 100644
--- a/zombienet/network.toml
+++ b/zombienet/network.toml
@@ -34,7 +34,7 @@ chain = "coretime-rococo-local"
   args = ["--log=xcm=trace"]
 
 [[parachains]]
-id = 2000
+id = 4479
 addToGenesis = false
 
   [parachains.collator]