diff --git a/contracts/utils/contracts/src/DeploymentConstants.sol b/contracts/utils/contracts/src/DeploymentConstants.sol
index 5c8de33437..44abc36d50 100644
--- a/contracts/utils/contracts/src/DeploymentConstants.sol
+++ b/contracts/utils/contracts/src/DeploymentConstants.sol
@@ -24,9 +24,9 @@ contract DeploymentConstants {
     address constant private WETH_ADDRESS = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
     // /// @dev Kovan address of the WETH contract.
     // address constant private WETH_ADDRESS = 0xd0A1E359811322d97991E03f863a0C30C2cF029C;
-    /// @dev Mainnet address of the KyberNeworkProxy contract.
+    /// @dev Mainnet address of the KyberNetworkProxy contract.
     address constant private KYBER_NETWORK_PROXY_ADDRESS = 0x818E6FECD516Ecc3849DAf6845e3EC868087B755;
-    // /// @dev Kovan address of the KyberNeworkProxy contract.
+    // /// @dev Kovan address of the KyberNetworkProxy contract.
     // address constant private KYBER_NETWORK_PROXY_ADDRESS = 0x692f391bCc85cefCe8C237C01e1f636BbD70EA4D;
     /// @dev Mainnet address of the `UniswapExchangeFactory` contract.
     address constant private UNISWAP_EXCHANGE_FACTORY_ADDRESS = 0xc0a47dFe034B400B47bDaD5FecDa2621de6c4d95;
diff --git a/packages/contract-addresses/CHANGELOG.json b/packages/contract-addresses/CHANGELOG.json
index 5ab82ae0b2..09e254d477 100644
--- a/packages/contract-addresses/CHANGELOG.json
+++ b/packages/contract-addresses/CHANGELOG.json
@@ -1,4 +1,13 @@
 [
+    {
+        "version": "4.5.0",
+        "changes": [
+            {
+                "note": "Update `ERC20BridgeSampler` and `Eth2Dai` on mainnet and kovan.",
+                "pr": 2474
+            }
+        ]
+    },
     {
         "version": "4.4.0",
         "changes": [
diff --git a/packages/contract-addresses/addresses.json b/packages/contract-addresses/addresses.json
index 9770dc7f9d..ea4a1fc086 100644
--- a/packages/contract-addresses/addresses.json
+++ b/packages/contract-addresses/addresses.json
@@ -23,9 +23,9 @@
         "devUtils": "0x161793cdca4ff9e766a706c2c49c36ac1340bbcd",
         "erc20BridgeProxy": "0x8ed95d1746bf1e4dab58d8ed4724f1ef95b20db0",
         "uniswapBridge": "0x533344cfdf2a3e911e2cf4c6f5ed08e791f5355f",
-        "erc20BridgeSampler": "0x19b883391f61ae82d282a93f829353fdc5920f7f",
+        "erc20BridgeSampler": "0x5e6203a3aec4aaac7ec372d36757c098e6a37b4d",
         "kyberBridge": "0xf342f3a80fdc9b48713d58fe97e17f5cc764ee62",
-        "eth2DaiBridge": "0xe97ea901d034ba2e018155264f77c417ce7717f9",
+        "eth2DaiBridge": "0xe3379a1956f4a79f39eb2e87bb441419e167538e",
         "chaiBridge": "0x77c31eba23043b9a72d13470f3a3a311344d7438",
         "dydxBridge": "0x55dc8f21d20d4c6ed3c82916a438a413ca68e335"
     },
@@ -113,8 +113,8 @@
         "stakingProxy": "0xbab9145f1d57cd4bb0c9aa2d1ece0a5b6e734d34",
         "erc20BridgeProxy": "0xfb2dd2a1366de37f7241c83d47da58fd503e2c64",
         "uniswapBridge": "0x8224aa8fe5c9f07d5a59c735386ff6cc6aaeb568",
-        "eth2DaiBridge": "0xd5a01c9b4e154d483aa57012a1115613df0032b1",
-        "erc20BridgeSampler": "0x476898f5aCf513d35d655F8128cE647a6D590094",
+        "eth2DaiBridge": "0x9485d65c6a2fae0d519cced5bd830e57c41998a9",
+        "erc20BridgeSampler": "0x2e65213a941b4fdade7c9fcaf3e6c95f34a1319a",
         "kyberBridge": "0xde7b2747624a647600fdb349184d0448ab954929",
         "chaiBridge": "0x0000000000000000000000000000000000000000",
         "dydxBridge": "0x0000000000000000000000000000000000000000"