diff --git a/evm/env/testing.env b/evm/env/testing.env
index b371d1e0..c2983018 100644
--- a/evm/env/testing.env
+++ b/evm/env/testing.env
@@ -1,5 +1,5 @@
 export AVALANCHE_RPC=https://api.avax.network/ext/bc/C/rpc
-export ETHEREUM_RPC=https://rpc.ankr.com/eth
+export ETHEREUM_RPC=https://eth.llamarpc.com
 
 
 export AVAX_USDC_ADDRESS=0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E
diff --git a/evm/forge/tests/MatchingEngine.t.sol b/evm/forge/tests/MatchingEngine.t.sol
index 40df9220..22dd789b 100644
--- a/evm/forge/tests/MatchingEngine.t.sol
+++ b/evm/forge/tests/MatchingEngine.t.sol
@@ -55,6 +55,8 @@ contract MatchingEngineTest is Test {
     uint32 constant ARB_DOMAIN = 3;
     uint32 constant ETH_DOMAIN = 0;
     uint32 constant AVAX_DOMAIN = 1;
+    uint256 constant WORMHOLE_MESSAGE_FEE = 1;
+    uint256 constant WORMHOLE_MESSAGE_FEE_STORAGE_SLOT = 7;
 
     // Environment variables.
     uint256 immutable TESTING_SIGNER = uint256(vm.envBytes32("TESTING_DEVNET_GUARDIAN"));
@@ -128,6 +130,8 @@ contract MatchingEngineTest is Test {
     }
 
     function setUp() public {
+        // Set core bridge messageFee > 0
+        vm.store(address(wormhole), bytes32(uint256(WORMHOLE_MESSAGE_FEE_STORAGE_SLOT)), bytes32(uint256(WORMHOLE_MESSAGE_FEE)));
         vm.startPrank(makeAddr("owner"));
         engine = deployProxy(USDC_ADDRESS, address(wormhole), CIRCLE_BRIDGE.fromUniversalAddress());
 
@@ -1794,9 +1798,10 @@ contract MatchingEngineTest is Test {
         // Record logs for placeMarketOrder.
         vm.recordLogs();
 
+        vm.deal(caller, WORMHOLE_MESSAGE_FEE);
         // Place the order.
         vm.prank(caller);
-        engine.executeFastOrder(fastMessage);
+        engine.executeFastOrder{value: WORMHOLE_MESSAGE_FEE}(fastMessage);
 
         // Fetch the logs for Wormhole message. There should be two messages.
         Vm.Log[] memory logs = vm.getRecordedLogs();
@@ -1816,9 +1821,10 @@ contract MatchingEngineTest is Test {
         // Record logs for placeMarketOrder.
         vm.recordLogs();
 
+        vm.deal(caller, WORMHOLE_MESSAGE_FEE);
         // Place the order.
         vm.prank(caller);
-        engine.executeFastOrder(fastMessage);
+        engine.executeFastOrder{value: WORMHOLE_MESSAGE_FEE}(fastMessage);
 
         // Fetch the logs for Wormhole message. There should be two messages.
         Vm.Log[] memory logs = vm.getRecordedLogs();
@@ -1837,8 +1843,10 @@ contract MatchingEngineTest is Test {
         // Record logs for placeMarketOrder.
         vm.recordLogs();
 
+        vm.deal(caller, WORMHOLE_MESSAGE_FEE);
+
         vm.prank(caller);
-        engine.executeSlowOrderAndRedeem(fastTransferVaa, params);
+        engine.executeSlowOrderAndRedeem{value: WORMHOLE_MESSAGE_FEE}(fastTransferVaa, params);
 
         // Fetch the logs for Wormhole message. There should be two messages.
         Vm.Log[] memory logs = vm.getRecordedLogs();
diff --git a/evm/forge/tests/TokenRouter.t.sol b/evm/forge/tests/TokenRouter.t.sol
index 02c54a60..4c547f45 100644
--- a/evm/forge/tests/TokenRouter.t.sol
+++ b/evm/forge/tests/TokenRouter.t.sol
@@ -76,6 +76,10 @@ contract TokenRouterTest is Test, ITokenRouterEvents {
     ITokenRouter router;
     SigningWormholeSimulator wormholeSimulator;
     CircleSimulator circleSimulator;
+    
+    // Core bridge. 
+    uint256 immutable WORMHOLE_MESSAGE_FEE_STORAGE_SLOT = 7;
+    uint256 immutable WORMHOLE_MESSAGE_FEE = 1; 
 
     function deployProxy(address _token, address _wormhole, address _tokenMessenger)
         internal
@@ -128,6 +132,9 @@ contract TokenRouterTest is Test, ITokenRouterEvents {
 
         circleSimulator = new CircleSimulator(TESTING_SIGNER, MESSAGE_TRANSMITTER);
         circleSimulator.setupCircleAttester();
+
+        // Set core bridge messageFee > 0
+        vm.store(address(wormhole), bytes32(uint256(WORMHOLE_MESSAGE_FEE_STORAGE_SLOT)), bytes32(uint256(WORMHOLE_MESSAGE_FEE)));
     }
 
     /**
@@ -1607,7 +1614,9 @@ contract TokenRouterTest is Test, ITokenRouterEvents {
         vm.recordLogs();
 
         // Place the order.
-        _router.placeMarketOrder(
+        _router.placeMarketOrder{
+          value: WORMHOLE_MESSAGE_FEE
+        }(
             amountIn, minAmountOut, targetChain, redeemer, redeemerMessage, refundAddress
         );
 
@@ -1637,7 +1646,7 @@ contract TokenRouterTest is Test, ITokenRouterEvents {
         vm.recordLogs();
 
         // Place the order.
-        _router.placeMarketOrder(amountIn, targetChain, redeemer, redeemerMessage);
+        _router.placeMarketOrder{value: WORMHOLE_MESSAGE_FEE}(amountIn, targetChain, redeemer, redeemerMessage);
 
         // Fetch the logs for Wormhole message.
         Vm.Log[] memory logs = vm.getRecordedLogs();
@@ -1663,7 +1672,9 @@ contract TokenRouterTest is Test, ITokenRouterEvents {
         vm.recordLogs();
 
         // Place the order.
-        _router.placeFastMarketOrder(
+        _router.placeFastMarketOrder{
+          value: WORMHOLE_MESSAGE_FEE * 2
+        }(
             expectedOrder.amountIn,
             expectedOrder.minAmountOut,
             expectedOrder.targetChain,
@@ -1708,7 +1719,9 @@ contract TokenRouterTest is Test, ITokenRouterEvents {
         vm.recordLogs();
 
         // Place the order.
-        _router.placeFastMarketOrder(
+        _router.placeFastMarketOrder{
+          value: WORMHOLE_MESSAGE_FEE * 2
+        }(
             amountIn, targetChain, redeemer, redeemerMessage, maxFee, deadline
         );
 
diff --git a/evm/ts/src/TokenRouter/evm.ts b/evm/ts/src/TokenRouter/evm.ts
index 7ab4f8b1..3dfcdf59 100644
--- a/evm/ts/src/TokenRouter/evm.ts
+++ b/evm/ts/src/TokenRouter/evm.ts
@@ -42,6 +42,7 @@ export class EvmTokenRouter implements TokenRouter<ethers.ContractTransaction> {
         redeemerMessage: Buffer | Uint8Array,
         minAmountOut?: bigint,
         refundAddress?: string,
+        transactionValue?: bigint,
     ) {
         if (minAmountOut !== undefined && refundAddress !== undefined) {
             return this.contract["placeMarketOrder(uint64,uint64,uint16,bytes32,bytes,address)"](
@@ -51,6 +52,9 @@ export class EvmTokenRouter implements TokenRouter<ethers.ContractTransaction> {
                 redeemer,
                 redeemerMessage,
                 refundAddress,
+                {
+                    value: transactionValue,
+                }
             );
         } else {
             return this.contract["placeMarketOrder(uint64,uint16,bytes32,bytes)"](
@@ -58,6 +62,9 @@ export class EvmTokenRouter implements TokenRouter<ethers.ContractTransaction> {
                 targetChain,
                 redeemer,
                 redeemerMessage,
+                {
+                    value: transactionValue,
+                }
             );
         }
     }
@@ -71,6 +78,7 @@ export class EvmTokenRouter implements TokenRouter<ethers.ContractTransaction> {
         deadline: number,
         minAmountOut?: bigint,
         refundAddress?: string,
+        transactionValue?: bigint,
     ) {
         if (minAmountOut !== undefined && refundAddress !== undefined) {
             return this.contract[
@@ -84,6 +92,9 @@ export class EvmTokenRouter implements TokenRouter<ethers.ContractTransaction> {
                 refundAddress,
                 maxFee,
                 deadline,
+                {
+                    value: transactionValue,
+                }
             );
         } else {
             return this.contract["placeFastMarketOrder(uint64,uint16,bytes32,bytes,uint64,uint32)"](
@@ -93,6 +104,9 @@ export class EvmTokenRouter implements TokenRouter<ethers.ContractTransaction> {
                 redeemerMessage,
                 maxFee,
                 deadline,
+                {
+                    value: transactionValue,
+                }
             );
         }
     }
diff --git a/evm/ts/src/testing/consts.ts b/evm/ts/src/testing/consts.ts
index 711bdd64..31cc29bd 100644
--- a/evm/ts/src/testing/consts.ts
+++ b/evm/ts/src/testing/consts.ts
@@ -19,7 +19,7 @@ export const USDC_DECIMALS: NetworkVars<number> = {
     Base: 6,
 };
 
-export const WORMHOLE_MESSAGE_FEE = 0;
+export const WORMHOLE_MESSAGE_FEE = 100000000000000n;
 export const WORMHOLE_GUARDIAN_SET_INDEX = 4;
 export const GUARDIAN_PRIVATE_KEY =
     "cfb12303a19cde580bb4dd771639b0d26bc68353645571a8cff516ab2ee113a0";
diff --git a/evm/ts/tests/00__environment.ts b/evm/ts/tests/00__environment.ts
index fec10610..9e42f1c2 100644
--- a/evm/ts/tests/00__environment.ts
+++ b/evm/ts/tests/00__environment.ts
@@ -59,6 +59,15 @@ describe("Environment", () => {
                 const actualChainId = await coreBridge.chainId();
                 expect(actualChainId).to.equal(chainId);
 
+                {
+                  // set message fee
+                  const messageFeeSlot = 7;
+                  await provider.send("anvil_setStorageAt", [
+                    coreBridge.address,
+                    messageFeeSlot,
+                    ethers.utils.hexZeroPad(`0x${WORMHOLE_MESSAGE_FEE.toString(16)}`, 32),
+                  ]);
+                }
                 // fetch current coreBridge protocol fee
                 const messageFee = await coreBridge.messageFee();
                 expect(messageFee.eq(WORMHOLE_MESSAGE_FEE)).to.be.true;
@@ -243,7 +252,7 @@ describe("Environment", () => {
                     const scripts = `${__dirname}/../../sh`;
                     const cmd =
                         `bash ${scripts}/deploy_matching_engine.sh ` +
-                        `-n localnet -c ${chainName} -u ${localhost} -k ${owner.privateKey} ` +
+                        `-n localnet -c ${chainName} -u ${localhost} -k ${owner.privateKey}` +
                         `> /dev/null 2>&1`;
                     const out = execSync(cmd, { encoding: "utf8" });
 
diff --git a/evm/ts/tests/03__marketOrder.ts b/evm/ts/tests/03__marketOrder.ts
index dbaad999..4005fc1a 100644
--- a/evm/ts/tests/03__marketOrder.ts
+++ b/evm/ts/tests/03__marketOrder.ts
@@ -14,6 +14,7 @@ import {
     ChainType,
     parseLiquidityLayerEnvFile,
     tryNativeToUint8Array,
+    WORMHOLE_MESSAGE_FEE,
 } from "../src/testing";
 import { toChainId } from "@wormhole-foundation/sdk-base";
 
@@ -113,6 +114,7 @@ describe("Market Order Business Logic -- CCTP to CCTP", () => {
                         Buffer.from("All your base are belong to us."),
                         minAmountOut,
                         fromWallet.address,
+                        WORMHOLE_MESSAGE_FEE,
                     )
                     .then((tx) => mineWait(fromProvider, tx))
                     .catch((err) => {