diff --git a/config/deploy/mainnet/eth_config_input.json b/config/deploy/mainnet/eth_config_input.json
index 7b4b29f..1af82b9 100644
--- a/config/deploy/mainnet/eth_config_input.json
+++ b/config/deploy/mainnet/eth_config_input.json
@@ -8,6 +8,7 @@
     "axelar_gateway": "0x4F4495243837681061C4743b74B3eEdf548D56A5"
   },
   "stark_exchange_migration": {
+    "version": 2,
     "implementation_address": "0x0000000000000000000000000000000000000000"
   }
 }
diff --git a/config/deploy/mainnet/eth_deployed.json b/config/deploy/mainnet/eth_deployed.json
index aa4296d..b7f37db 100644
--- a/config/deploy/mainnet/eth_deployed.json
+++ b/config/deploy/mainnet/eth_deployed.json
@@ -8,6 +8,7 @@
     "axelar_gateway": "0x4F4495243837681061C4743b74B3eEdf548D56A5"
   },
   "stark_exchange_migration": {
+    "version": 1,
     "implementation_address": "0x58b5484F489f7858DC83a5a677338074b57de806"
   }
-}
\ No newline at end of file
+}
diff --git a/config/deploy/sandbox/eth_config_input.json b/config/deploy/sandbox/eth_config_input.json
index 4ff292d..9000543 100644
--- a/config/deploy/sandbox/eth_config_input.json
+++ b/config/deploy/sandbox/eth_config_input.json
@@ -8,6 +8,7 @@
     "axelar_gateway": "0xe432150cce91c13a887f7D836923d5597adD8E31"
   },
   "stark_exchange_migration": {
+    "version": 2,
     "implementation_address": "0x0000000000000000000000000000000000000000"
   }
 }
diff --git a/config/deploy/sandbox/eth_deployed.json b/config/deploy/sandbox/eth_deployed.json
index f3dc81d..90803ab 100644
--- a/config/deploy/sandbox/eth_deployed.json
+++ b/config/deploy/sandbox/eth_deployed.json
@@ -8,6 +8,7 @@
     "axelar_gateway": "0xe432150cce91c13a887f7D836923d5597adD8E31"
   },
   "stark_exchange_migration": {
+    "version": 1,
     "implementation_address": "0x9F9b4A495A62191A4225759Ae7C00906Cc6417B8"
   }
-}
\ No newline at end of file
+}
diff --git a/script/DeployEthContracts.s.sol b/script/DeployEthContracts.s.sol
index d4fba6a..79f0637 100644
--- a/script/DeployEthContracts.s.sol
+++ b/script/DeployEthContracts.s.sol
@@ -6,12 +6,13 @@ import "forge-std/Script.sol";
 import "forge-std/console.sol";
 import {VaultRootSenderAdapter} from "../src/bridge/messaging/VaultRootSenderAdapter.sol";
 import {StarkExchangeMigration} from "../src/bridge/starkex/StarkExchangeMigration.sol";
+import {StarkExchangeMigrationV2} from "../src/bridge/starkex/StarkExchangeMigrationV2.sol";
 
 /**
  * @title DeployEthContracts
  * @notice Deploys the migration contracts on Ethereum:
  *         1. VaultRootSenderAdapter
- *         2. StarkExchangeMigration (implementation only, no proxy)
+ *         2. StarkExchangeMigration implementation (version selected via config)
  *
  * @dev The StarkExchangeMigration is deployed as an implementation contract only.
  *      The existing StarkEx bridge proxy on-chain will be upgraded to point to this
@@ -36,8 +37,9 @@ contract DeployEthContracts is Script {
     address private axelarGasService;
     address private axelarGateway;
 
-    // StarkExchangeMigration
+    // StarkExchangeMigration implementation (version 1 or 2, selected via config)
     address private migrationImpl;
+    uint256 private migrationVersion;
 
     string private configFilePath;
     string private outputFilePath;
@@ -62,6 +64,7 @@ contract DeployEthContracts is Script {
 
         // --- StarkExchangeMigration ---
         migrationImpl = vm.parseJsonAddress(config, "$.stark_exchange_migration.implementation_address");
+        migrationVersion = vm.parseJsonUint(config, "$.stark_exchange_migration.version");
     }
 
     /// @notice Deploys the Ethereum contracts.
@@ -83,14 +86,20 @@ contract DeployEthContracts is Script {
             console.log("Using existing VaultRootSenderAdapter:", senderAdapter);
         }
 
-        // 2. Deploy StarkExchangeMigration implementation (if not already deployed)
+        // 2. Deploy StarkExchangeMigration implementation (if not already deployed).
+        //    The version is selected via stark_exchange_migration.version in the config.
         //    The constructor only calls _disableInitializers(). No proxy is deployed here.
         //    The existing StarkEx bridge proxy will be upgraded separately via governance.
+        require(migrationVersion == 1 || migrationVersion == 2, "stark_exchange_migration.version must be 1 or 2");
         if (migrationImpl == address(0)) {
-            migrationImpl = address(new StarkExchangeMigration());
-            console.log("Deployed StarkExchangeMigration implementation:", migrationImpl);
+            if (migrationVersion == 1) {
+                migrationImpl = address(new StarkExchangeMigration());
+            } else {
+                migrationImpl = address(new StarkExchangeMigrationV2());
+            }
+            console.log("Deployed StarkExchangeMigration v%d implementation:", migrationVersion, migrationImpl);
         } else {
-            console.log("Using existing StarkExchangeMigration implementation:", migrationImpl);
+            console.log("Using existing StarkExchangeMigration v%d implementation:", migrationVersion, migrationImpl);
         }
 
         vm.stopBroadcast();
@@ -133,6 +142,6 @@ contract DeployEthContracts is Script {
     function _logSummary() private view {
         console.log("--- Ethereum Deployment Summary ---");
         console.log("VaultRootSenderAdapter:", senderAdapter);
-        console.log("StarkExchangeMigration (impl):", migrationImpl);
+        console.log("StarkExchangeMigration v%d (impl):", migrationVersion, migrationImpl);
     }
 }
diff --git a/script/README.md b/script/README.md
index 06c63ae..c32a2a4 100644
--- a/script/README.md
+++ b/script/README.md
@@ -7,7 +7,7 @@ Solidity scripts for deploying and configuring the migration contracts using Fou
 | Script | Chain | Purpose | Executed By |
 |--------|-------|---------|-------------|
 | `DeployZkEVMContracts.s.sol` | zkEVM | Deploy VaultEscapeProofVerifier, VaultRootReceiverAdapter, VaultWithdrawalProcessor | Deployer |
-| `DeployEthContracts.s.sol` | Ethereum | Deploy VaultRootSenderAdapter and StarkExchangeMigration implementation | Deployer |
+| `DeployEthContracts.s.sol` | Ethereum | Deploy VaultRootSenderAdapter and StarkExchangeMigration implementation (version selected via config) | Deployer |
 | `GenerateAssetMappings.s.sol` | - | Generate asset mappings by querying bridge contract | Utility (offline) |
 | `VerifyAssetMappings.s.sol` | - | Verify asset mappings against bridge contract | Utility (read-only) |
 | `RegisterTokenMappings.s.sol` | zkEVM | Register token mappings on the processor | TOKEN_MAPPING_MANAGER |
@@ -89,7 +89,7 @@ forge script script/DeployEthContracts.s.sol \
 - `vault_root_sender_adapter.address`
 - `stark_exchange_migration.implementation_address`
 
-**Note:** The `StarkExchangeMigration` is deployed as an implementation only. The existing StarkEx bridge proxy on-chain must be upgraded to point to this implementation separately (e.g., via governance), at which point `initialize` is called with the migration parameters.
+**Note:** The `StarkExchangeMigration` is deployed as an implementation only (no proxy). The existing StarkEx bridge proxy on-chain must be upgraded to point to this implementation separately (e.g., via governance), at which point `initialize` is called with the appropriate parameters. Set `stark_exchange_migration.version` to `1` for `StarkExchangeMigration` or `2` for `StarkExchangeMigrationV2`.
 
 ### Step 4: Generate Asset Mappings (zkEVM)
 
@@ -191,6 +191,7 @@ Deploys the Ethereum contracts for the migration system.
     "axelar_gateway": "0x..."
   },
   "stark_exchange_migration": {
+    "version": 2,
     "implementation_address": "0x0000..."
   }
 }