diff --git a/contracts b/contracts
index b9f26d282191..f9a86ef36750 160000
--- a/contracts
+++ b/contracts
@@ -1 +1 @@
-Subproject commit b9f26d282191b8a61e6040121edf6035bed28bf1
+Subproject commit f9a86ef36750022bc69b29b6b6ac6aa962e2d827
diff --git a/core/tests/ts-integration/src/constants.ts b/core/tests/ts-integration/src/constants.ts
index c5fe149d826b..98ab5c4ce08c 100644
--- a/core/tests/ts-integration/src/constants.ts
+++ b/core/tests/ts-integration/src/constants.ts
@@ -58,3 +58,6 @@ export const ArtifactL1AssetRouter = readContract(`${ARTIFACTS_PATH}`, 'L1AssetR
 export const ArtifactL1AssetTracker = readContract(`${ARTIFACTS_PATH}`, 'L1AssetTracker');
 export const ArtifactL2AssetTracker = readContract(`${ARTIFACTS_PATH}`, 'L2AssetTracker');
 export const ArtifactDummyInteropRecipient = readContract(`${L1_ZK_ARTIFACTS_PATH}`, 'DummyInteropRecipient');
+export const ArtifactIBridgehubBase = readContract(`${ARTIFACTS_PATH}`, 'IBridgehubBase');
+export const ArtifactIGetters = readContract(`${ARTIFACTS_PATH}`, 'IGetters');
+export const ArtifactIChainAssetHandler = readContract(`${ARTIFACTS_PATH}`, 'IChainAssetHandler');
diff --git a/core/tests/ts-integration/src/helpers.ts b/core/tests/ts-integration/src/helpers.ts
index ae3ab3e70746..aa58de6d2740 100644
--- a/core/tests/ts-integration/src/helpers.ts
+++ b/core/tests/ts-integration/src/helpers.ts
@@ -9,7 +9,9 @@ import {
     GATEWAY_CHAIN_ID,
     L2_INTEROP_ROOT_STORAGE_ADDRESS,
     L2_BRIDGEHUB_ADDRESS,
-    ArtifactL2InteropRootStorage
+    ArtifactL2InteropRootStorage,
+    ArtifactIBridgehubBase,
+    ArtifactIGetters
 } from './constants';
 
 import { log } from 'console';
@@ -107,17 +109,9 @@ export async function waitUntilBlockExecutedOnGateway(
     gwWallet: zksync.Wallet,
     blockNumber: number
 ) {
-    const bridgehub = new ethers.Contract(
-        L2_BRIDGEHUB_ADDRESS,
-        ['function getZKChain(uint256) view returns (address)'],
-        gwWallet
-    );
-    const zkChainAddr = await bridgehub.getZKChain(await wallet.provider.getNetwork().then((net) => net.chainId));
-    const gettersFacet = new ethers.Contract(
-        zkChainAddr,
-        ['function getTotalBatchesExecuted() view returns (uint256)'],
-        gwWallet
-    );
+    const bridgehub = new ethers.Contract(L2_BRIDGEHUB_ADDRESS, ArtifactIBridgehubBase.abi, gwWallet);
+    const zkChainAddr = await bridgehub.getZKChain(await wallet.provider.getNetwork().then((net: any) => net.chainId));
+    const gettersFacet = new ethers.Contract(zkChainAddr, ArtifactIGetters.abi, gwWallet);
 
     let batchNumber = (await wallet.provider.getBlockDetails(blockNumber)).l1BatchNumber;
     let currentExecutedBatchNumber = 0;
diff --git a/core/tests/upgrade-test/tests/upgrade.test.ts b/core/tests/upgrade-test/tests/upgrade.test.ts
index d9b76a7ba082..6859626a3dd0 100644
--- a/core/tests/upgrade-test/tests/upgrade.test.ts
+++ b/core/tests/upgrade-test/tests/upgrade.test.ts
@@ -591,15 +591,10 @@ async function publishBytecode(
     nonce: number
 ): Promise<number> {
     const hash = zksync.utils.hashBytecode(bytecode);
-    const abi = [
-        'function publishBytecode(bytes calldata _bytecode) public',
-        'function publishingBlock(bytes32 _hash) public view returns (uint256)'
-    ];
-
-    const contract = new ethers.Contract(bytecodeSupplierAddr, abi, wallet);
+    const contract = new ethers.Contract(bytecodeSupplierAddr, contracts.bytecodesSupplierAbi, wallet);
     const block = await contract.publishingBlock(hash);
     if (block == BigInt(0)) {
-        const tx = await contract.publishBytecode(bytecode, { nonce });
+        const tx = await contract.publishEraBytecode(bytecode, { nonce });
         await tx.wait();
         return 1;
     }
@@ -778,7 +773,7 @@ async function pauseMigrationsCalldata(
         // For gateway, get the ChainAssetHandler address from L2 Bridgehub
         const l2BridgehubContract = new ethers.Contract(
             L2_BRIDGEHUB_ADDRESS,
-            ['function chainAssetHandler() external view returns (address)'],
+            contracts.bridgehubAbi,
             gatewayInfo.gatewayProvider
         );
         chainAssetHandlerAddr = await l2BridgehubContract.chainAssetHandler();
@@ -786,13 +781,13 @@ async function pauseMigrationsCalldata(
         // For L1, get the ChainAssetHandler address from L1 Bridgehub
         const bridgehubContract = new ethers.Contract(
             l1BridgehubAddr,
-            ['function chainAssetHandler() external view returns (address)'],
+            contracts.bridgehubAbi,
             l1Provider
         );
         chainAssetHandlerAddr = await bridgehubContract.chainAssetHandler();
     }
 
-    const iface = new ethers.Interface(['function pauseMigration() external']);
+    const iface = contracts.chainAssetHandlerAbi;
 
     return prepareGovernanceCalldata(
         chainAssetHandlerAddr,
diff --git a/core/tests/upgrade-test/tests/utils.ts b/core/tests/upgrade-test/tests/utils.ts
index d3d7c2387355..d1c67dddb528 100644
--- a/core/tests/upgrade-test/tests/utils.ts
+++ b/core/tests/upgrade-test/tests/utils.ts
@@ -41,6 +41,9 @@ export interface Contracts {
     complexUpgraderAbi: any;
     counterBytecode: any;
     chainTypeManager: any;
+    bytecodesSupplierAbi: any;
+    bridgehubAbi: any;
+    chainAssetHandlerAbi: any;
 }
 
 export function initContracts(pathToHome: string, zkStack: boolean): Contracts {
@@ -70,6 +73,15 @@ export function initContracts(pathToHome: string, zkStack: boolean): Contracts {
             ).deployedBytecode,
             chainTypeManager: new ethers.Interface(
                 require(`${CONTRACTS_FOLDER}/l1-contracts/out/EraChainTypeManager.sol/EraChainTypeManager.json`).abi
+            ),
+            bytecodesSupplierAbi: new ethers.Interface(
+                require(`${CONTRACTS_FOLDER}/l1-contracts/out/BytecodesSupplier.sol/BytecodesSupplier.json`).abi
+            ),
+            bridgehubAbi: new ethers.Interface(
+                require(`${CONTRACTS_FOLDER}/l1-contracts/out/IBridgehubBase.sol/IBridgehubBase.json`).abi
+            ),
+            chainAssetHandlerAbi: new ethers.Interface(
+                require(`${CONTRACTS_FOLDER}/l1-contracts/out/IChainAssetHandler.sol/IChainAssetHandler.json`).abi
             )
         };
     } else {
@@ -99,6 +111,15 @@ export function initContracts(pathToHome: string, zkStack: boolean): Contracts {
                 .deployedBytecode,
             chainTypeManager: new ethers.Interface(
                 require(`${L1_CONTRACTS_FOLDER}/state-transition/ChainTypeManager.sol/ChainTypeManager.json`).abi
+            ),
+            bytecodesSupplierAbi: new ethers.Interface(
+                require(`${L1_CONTRACTS_FOLDER}/upgrades/BytecodesSupplier.sol/BytecodesSupplier.json`).abi
+            ),
+            bridgehubAbi: new ethers.Interface(
+                require(`${L1_CONTRACTS_FOLDER}/core/bridgehub/IBridgehubBase.sol/IBridgehubBase.json`).abi
+            ),
+            chainAssetHandlerAbi: new ethers.Interface(
+                require(`${L1_CONTRACTS_FOLDER}/core/chain-asset-handler/IChainAssetHandler.sol/IChainAssetHandler.json`).abi
             )
         };
     }