diff --git a/packages/contracts-bedrock/semver-lock.json b/packages/contracts-bedrock/semver-lock.json
index 2b09f99cade6..80ab6ef1cd41 100644
--- a/packages/contracts-bedrock/semver-lock.json
+++ b/packages/contracts-bedrock/semver-lock.json
@@ -108,7 +108,7 @@
     "sourceCodeHash": "0xa76133db7f449ae742f9ba988ad86ccb5672475f61298b9fefe411b63b63e9f6"
   },
   "src/L2/OptimismSuperchainERC20.sol": {
-    "initCodeHash": "0x1c7ffba96b28d8c92e1e15515286cbb392b1d0b165c65756b06d5c79587d0590",
+    "initCodeHash": "0x5bc5824030ecdb531e1f615d207cb73cdaa702e198769445d0ddbe717271eba9",
     "sourceCodeHash": "0x0819c9411a155dca592d19b60c4176954202e4fe5d632a4ffbf88d465461252c"
   },
   "src/L2/OptimismSuperchainERC20Beacon.sol": {
@@ -125,15 +125,15 @@
   },
   "src/L2/SuperchainERC20.sol": {
     "initCodeHash": "0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470",
-    "sourceCodeHash": "0x1f6e8972082c03da692e1273eefc59c9a2b5a316aaf4f81b952a4a6899072a81"
+    "sourceCodeHash": "0xcf39c16893cace1e7d61350bfff05a27f3ce8da8eb0ac02cb5ac7bf603f163fa"
   },
   "src/L2/SuperchainTokenBridge.sol": {
     "initCodeHash": "0x1cd2afdae6dd1b6ebc17f1d529e7d74c9b8b21b02db8589b8e389e2d5523d775",
     "sourceCodeHash": "0x617aa994f659c5d8ebd54128d994f86f5b175ceca095b024b8524a7898e8ae62"
   },
   "src/L2/SuperchainWETH.sol": {
-    "initCodeHash": "0xc2cb1c20157498a62859c5868f037070087838e2986b9e3ba8d065ecb50214b7",
-    "sourceCodeHash": "0xee35d5d54444ca8df211db964c72dd374e73cc311a3430b40c95dd60dd0b86aa"
+    "initCodeHash": "0x5aef986a7c9c102b1e9b3068e2a2b66adce0a71dd5f39e03694622bf494f8d97",
+    "sourceCodeHash": "0xa62101a23b860e97f393027c898082a1c73d50679eceb6c6793844af29702359"
   },
   "src/L2/WETH.sol": {
     "initCodeHash": "0x17ea1b1c5d5a622d51c2961fde886a5498de63584e654ed1d69ee80dddbe0b17",
diff --git a/packages/contracts-bedrock/src/L2/SuperchainERC20.sol b/packages/contracts-bedrock/src/L2/SuperchainERC20.sol
index eaac6078ce63..b9e6bbfbf780 100644
--- a/packages/contracts-bedrock/src/L2/SuperchainERC20.sol
+++ b/packages/contracts-bedrock/src/L2/SuperchainERC20.sol
@@ -5,12 +5,12 @@ import { IERC7802, IERC165 } from "src/L2/interfaces/IERC7802.sol";
 import { ISemver } from "src/universal/interfaces/ISemver.sol";
 import { Predeploys } from "src/libraries/Predeploys.sol";
 import { ERC20 } from "@solady-v0.0.245/tokens/ERC20.sol";
+import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
 import { Unauthorized } from "src/libraries/errors/CommonErrors.sol";
 
 /// @title SuperchainERC20
-/// @notice SuperchainERC20 is a standard extension of the base ERC20 token contract that unifies ERC20 token
-///         bridging to make it fungible across the Superchain. This construction allows the SuperchainTokenBridge to
-///         burn and mint tokens.
+/// @notice A standard ERC20 extension implementing IERC7802 for unified cross-chain fungibility across
+///         the Superchain. Allows the SuperchainTokenBridge to mint and burn tokens as needed.
 abstract contract SuperchainERC20 is ERC20, IERC7802, ISemver {
     /// @notice Semantic version.
     /// @custom:semver 1.0.0-beta.5
@@ -42,6 +42,7 @@ abstract contract SuperchainERC20 is ERC20, IERC7802, ISemver {
 
     /// @inheritdoc IERC165
     function supportsInterface(bytes4 _interfaceId) public view virtual returns (bool) {
-        return _interfaceId == type(IERC7802).interfaceId || _interfaceId == type(IERC165).interfaceId;
+        return _interfaceId == type(IERC7802).interfaceId || _interfaceId == type(IERC20).interfaceId
+            || _interfaceId == type(IERC165).interfaceId;
     }
 }
diff --git a/packages/contracts-bedrock/src/L2/SuperchainWETH.sol b/packages/contracts-bedrock/src/L2/SuperchainWETH.sol
index 0baecab1705c..29e179eba82c 100644
--- a/packages/contracts-bedrock/src/L2/SuperchainWETH.sol
+++ b/packages/contracts-bedrock/src/L2/SuperchainWETH.sol
@@ -13,6 +13,7 @@ import { ISemver } from "src/universal/interfaces/ISemver.sol";
 import { IL1Block } from "src/L2/interfaces/IL1Block.sol";
 import { IETHLiquidity } from "src/L2/interfaces/IETHLiquidity.sol";
 import { IERC7802, IERC165 } from "src/L2/interfaces/IERC7802.sol";
+import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
 import { Unauthorized, NotCustomGasToken } from "src/libraries/errors/CommonErrors.sol";
 
 /// @custom:proxied true
@@ -94,6 +95,7 @@ contract SuperchainWETH is WETH98, IERC7802, ISemver {
 
     /// @inheritdoc IERC165
     function supportsInterface(bytes4 _interfaceId) public view virtual returns (bool) {
-        return _interfaceId == type(IERC7802).interfaceId || _interfaceId == type(IERC165).interfaceId;
+        return _interfaceId == type(IERC7802).interfaceId || _interfaceId == type(IERC20).interfaceId
+            || _interfaceId == type(IERC165).interfaceId;
     }
 }
diff --git a/packages/contracts-bedrock/test/L2/SuperchainERC20.t.sol b/packages/contracts-bedrock/test/L2/SuperchainERC20.t.sol
index 8910b79f52b7..a9aa3b501618 100644
--- a/packages/contracts-bedrock/test/L2/SuperchainERC20.t.sol
+++ b/packages/contracts-bedrock/test/L2/SuperchainERC20.t.sol
@@ -6,11 +6,11 @@ import { Test } from "forge-std/Test.sol";
 
 // Libraries
 import { Predeploys } from "src/libraries/Predeploys.sol";
-import { IERC20Solady as IERC20 } from "src/vendor/interfaces/IERC20Solady.sol";
 
 // Target contract
 import { SuperchainERC20 } from "src/L2/SuperchainERC20.sol";
 import { IERC7802, IERC165 } from "src/L2/interfaces/IERC7802.sol";
+import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
 import { ISuperchainERC20 } from "src/L2/interfaces/ISuperchainERC20.sol";
 import { MockSuperchainERC20Implementation } from "test/mocks/SuperchainERC20Implementation.sol";
 
@@ -120,6 +120,7 @@ contract SuperchainERC20Test is Test {
     function test_supportInterface_succeeds() public view {
         assertTrue(superchainERC20.supportsInterface(type(IERC165).interfaceId));
         assertTrue(superchainERC20.supportsInterface(type(IERC7802).interfaceId));
+        assertTrue(superchainERC20.supportsInterface(type(IERC20).interfaceId));
     }
 
     /// @notice Tests that the `supportsInterface` function returns false for any other interface than the
@@ -127,6 +128,7 @@ contract SuperchainERC20Test is Test {
     function testFuzz_supportInterface_returnFalse(bytes4 _interfaceId) public view {
         vm.assume(_interfaceId != type(IERC165).interfaceId);
         vm.assume(_interfaceId != type(IERC7802).interfaceId);
+        vm.assume(_interfaceId != type(IERC20).interfaceId);
         assertFalse(superchainERC20.supportsInterface(_interfaceId));
     }
 }
diff --git a/packages/contracts-bedrock/test/L2/SuperchainWETH.t.sol b/packages/contracts-bedrock/test/L2/SuperchainWETH.t.sol
index 6b23dbfcd2b8..4d4109b6885a 100644
--- a/packages/contracts-bedrock/test/L2/SuperchainWETH.t.sol
+++ b/packages/contracts-bedrock/test/L2/SuperchainWETH.t.sol
@@ -13,6 +13,7 @@ import { Preinstalls } from "src/libraries/Preinstalls.sol";
 import { IETHLiquidity } from "src/L2/interfaces/IETHLiquidity.sol";
 import { ISuperchainWETH } from "src/L2/interfaces/ISuperchainWETH.sol";
 import { IERC7802, IERC165 } from "src/L2/interfaces/IERC7802.sol";
+import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
 
 /// @title SuperchainWETH_Test
 /// @notice Contract for testing the SuperchainWETH contract.
@@ -463,6 +464,7 @@ contract SuperchainWETH_Test is CommonTest {
     function test_supportInterface_succeeds() public view {
         assertTrue(superchainWeth.supportsInterface(type(IERC165).interfaceId));
         assertTrue(superchainWeth.supportsInterface(type(IERC7802).interfaceId));
+        assertTrue(superchainWeth.supportsInterface(type(IERC20).interfaceId));
     }
 
     /// @notice Tests that the `supportsInterface` function returns false for any other interface than the
@@ -470,6 +472,7 @@ contract SuperchainWETH_Test is CommonTest {
     function testFuzz_supportInterface_returnFalse(bytes4 _interfaceId) public view {
         vm.assume(_interfaceId != type(IERC165).interfaceId);
         vm.assume(_interfaceId != type(IERC7802).interfaceId);
+        vm.assume(_interfaceId != type(IERC20).interfaceId);
         assertFalse(superchainWeth.supportsInterface(_interfaceId));
     }
 }