diff --git a/packages/starknet-snap/src/utils/formatterUtils.ts b/packages/starknet-snap/src/utils/formatterUtils.ts
new file mode 100644
index 00000000..de0aabb8
--- /dev/null
+++ b/packages/starknet-snap/src/utils/formatterUtils.ts
@@ -0,0 +1,9 @@
+export const hexToString = (hex) => {
+  let str = '';
+  for (let i = 0; i < hex.length; i += 2) {
+    const hexValue = hex.substr(i, 2);
+    const decimalValue = parseInt(hexValue, 16);
+    str += String.fromCharCode(decimalValue);
+  }
+  return str;
+};
diff --git a/packages/starknet-snap/src/utils/starknetUtils.ts b/packages/starknet-snap/src/utils/starknetUtils.ts
index 43944463..2cb59311 100644
--- a/packages/starknet-snap/src/utils/starknetUtils.ts
+++ b/packages/starknet-snap/src/utils/starknetUtils.ts
@@ -46,6 +46,7 @@ import { getAddressKey } from './keyPair';
 import { getAccount, getAccounts, getTransactionFromVoyagerUrl, getTransactionsFromVoyagerUrl } from './snapUtils';
 import { logger } from './logger';
 import { RpcV4GetTransactionReceiptResponse } from '../types/snapApi';
+import { hexToString } from './formatterUtils';
 
 export const getCallDataArray = (callDataStr: string): string[] => {
   return (callDataStr ?? '')
@@ -593,13 +594,16 @@ export const findAddressIndex = async (
 export const isUpgradeRequired = async (network: Network, address: string) => {
   try {
     logger.log(`isUpgradeRequired: address = ${address}`);
-    const version = await getVersion(address, network);
+    const hexResp = await getVersion(address, network);
+    const version = hexToString(hexResp);
+    logger.log(`isUpgradeRequired: hexResp = ${hexResp}, version = ${version}`);
     const versionArr = version.split('.');
     return Number(versionArr[1]) < MIN_ACC_CONTRACT_VERSION[1];
   } catch (err) {
     if (!err.message.includes('Contract not found')) {
       throw err;
     }
+    logger.error(`isUpgradeRequired: error:`, err);
     //[TODO] if address is cario0 but not deployed we should throw error
     return false;
   }
diff --git a/packages/starknet-snap/test/utils/starknetUtils.test.ts b/packages/starknet-snap/test/utils/starknetUtils.test.ts
index 4835126d..769ea889 100644
--- a/packages/starknet-snap/test/utils/starknetUtils.test.ts
+++ b/packages/starknet-snap/test/utils/starknetUtils.test.ts
@@ -193,13 +193,13 @@ describe('Test function: isUpgradeRequired', function () {
   });
 
   it('should return true when upgrade is required', async function () {
-    sandbox.stub(utils, 'getVersion').callsFake(async () => '0.2.3');
+    sandbox.stub(utils, 'getVersion').callsFake(async () => '0x302e322e33');
     const result = await utils.isUpgradeRequired(STARKNET_TESTNET_NETWORK, userAddress);
     expect(result).to.be.eq(true);
   });
 
   it('should return false when upgrade is not required', async function () {
-    sandbox.stub(utils, 'getVersion').callsFake(async () => '0.3.0');
+    sandbox.stub(utils, 'getVersion').callsFake(async () => '0x302e332e30');
     const result = await utils.isUpgradeRequired(STARKNET_TESTNET_NETWORK, userAddress);
     expect(result).to.be.eq(false);
   });