diff --git a/typescript/sdk/src/consts/bytecode.ts b/typescript/sdk/src/consts/bytecode.ts
index 86a046d0d..c9d5f3e95 100644
--- a/typescript/sdk/src/consts/bytecode.ts
+++ b/typescript/sdk/src/consts/bytecode.ts
@@ -1,11 +1,11 @@
 export enum BytecodeHash {
   V3_MAILBOX_BYTECODE_HASH = '0x6e853444a6e38bb1d7ac7608b92a70cee83153c891c70ed882b2432134bb23a0', // without optimizer
   OPT_V3_MAILBOX_BYTECODE_HASH = '0x7cc944e10fa5597f10265bdac4a808e705711451ee7f117ebf9a97193b796136', // with optimizer
-  TRANSPARENT_PROXY_BYTECODE_HASH = '0x320bda003dfa31828115be5c01b9f3e7eecaf2532afdb89d2b53559f2e7ab86d',
-  PROXY_ADMIN_BYTECODE_HASH = '0x13855ae57da3aadecb9259cecece16e1f434b8850fe95531f422e4e262f3f200', // without optimizer
-  OPT_PROXY_ADMIN_BYTECODE_HASH = '0x30aa3b1506a94c0fe2749af099851623685d9a24a65e2e8b3746c272499979d1', // with optimizer
+  TRANSPARENT_PROXY_BYTECODE_HASH = '0x320bda003dfa31828115be5c01b9f3e7eecaf2532afdb89d2b53559f2e7ab86d', // without optimizer
+  OPT_TRANSPARENT_PROXY_BYTECODE_HASH = '0x30aa3b1506a94c0fe2749af099851623685d9a24a65e2e8b3746c272499979d1', // with optimizer
+  PROXY_ADMIN_BYTECODE_HASH = '0x13855ae57da3aadecb9259cecece16e1f434b8850fe95531f422e4e262f3f200',
   V2_PROXY_ADMIN_BYTECODE_HASH = '0x7c378e9d49408861ca754fe684b9f7d1ea525bddf095ee0463902df701453ba0', // reused from v2
-  INTERCHAIN_GAS_PAYMASTER_BYTECODE_HASH = '0xe995bcd732f4861606036357edb2a4d4c3e9b8d7e599fe548790ac1cf26888f8',
+  INTERCHAIN_GAS_PAYMASTER_BYTECODE_HASH = '0x69325ab0957fcca37e2eac622af6186380f4cddb279183a97c37511459d40f18',
   OWNER_INITIALIZABLE_INTERCHAIN_GAS_PAYMASTER_BYTECODE_HASH = '0xd2c5b00ac2d058117491d581d63c3c4fcf6aeb2667c6cc0c7caed359c9eebea1',
   OVERHEAD_IGP_BYTECODE_HASH = '0x3cfed1f24f1e9b28a76d5a8c61696a04f7bc474404b823a2fcc210ea52346252',
 }
diff --git a/typescript/sdk/src/core/HyperlaneCoreChecker.ts b/typescript/sdk/src/core/HyperlaneCoreChecker.ts
index 580f732eb..8dc0545a7 100644
--- a/typescript/sdk/src/core/HyperlaneCoreChecker.ts
+++ b/typescript/sdk/src/core/HyperlaneCoreChecker.ts
@@ -156,7 +156,7 @@ export class HyperlaneCoreChecker extends HyperlaneAppChecker<
       contracts.mailbox.address,
       [
         BytecodeHash.TRANSPARENT_PROXY_BYTECODE_HASH,
-        BytecodeHash.OPT_PROXY_ADMIN_BYTECODE_HASH,
+        BytecodeHash.OPT_TRANSPARENT_PROXY_BYTECODE_HASH,
       ],
     );
     await this.checkBytecode(
diff --git a/typescript/sdk/src/gas/HyperlaneIgpChecker.ts b/typescript/sdk/src/gas/HyperlaneIgpChecker.ts
index 2c9467f04..a3a15e172 100644
--- a/typescript/sdk/src/gas/HyperlaneIgpChecker.ts
+++ b/typescript/sdk/src/gas/HyperlaneIgpChecker.ts
@@ -40,12 +40,6 @@ export class HyperlaneIgpChecker extends HyperlaneAppChecker<
 
   async checkBytecodes(chain: ChainName): Promise<void> {
     const contracts = this.app.getContracts(chain);
-    await this.checkBytecode(
-      chain,
-      'InterchainGasPaymaster proxy',
-      contracts.interchainGasPaymaster.address,
-      [BytecodeHash.TRANSPARENT_PROXY_BYTECODE_HASH],
-    );
     const implementation = await proxyImplementation(
       this.multiProvider.getProvider(chain),
       contracts.interchainGasPaymaster.address,
@@ -55,24 +49,22 @@ export class HyperlaneIgpChecker extends HyperlaneAppChecker<
       'InterchainGasPaymaster implementation',
       implementation,
       [BytecodeHash.INTERCHAIN_GAS_PAYMASTER_BYTECODE_HASH],
+      (bytecode) =>
+        bytecode // We persist the block number in the bytecode now too, so we have to strip it
+          .replaceAll(
+            /(00000000000000000000000000000000000000000000000000000000[a-f0-9]{0,22})81565/g,
+            (match, _offset) => (match.length % 2 === 0 ? '' : '0'),
+          ),
     );
 
     await this.checkBytecode(
       chain,
       'InterchainGasPaymaster proxy',
       contracts.interchainGasPaymaster.address,
-      [BytecodeHash.TRANSPARENT_PROXY_BYTECODE_HASH],
-      (bytecode) =>
-        bytecode
-          // We persist the block number in the bytecode now too, so we have to strip it
-          .replaceAll(
-            /(00000000000000000000000000000000000000000000000000000000[a-f0-9]{0,22})81565/g,
-            (match, _offset) => (match.length % 2 === 0 ? '' : '0'),
-          )
-          .replaceAll(
-            /(0000000000000000000000000000000000000000000000000000[a-f0-9]{0,22})6118123373/g,
-            (match, _offset) => (match.length % 2 === 0 ? '' : '0'),
-          ),
+      [
+        BytecodeHash.TRANSPARENT_PROXY_BYTECODE_HASH,
+        BytecodeHash.OPT_TRANSPARENT_PROXY_BYTECODE_HASH,
+      ],
     );
   }