diff --git a/sdks/sdk-core/src/entities/weth9.ts b/sdks/sdk-core/src/entities/weth9.ts
index 056fe5587..49cc5a83e 100644
--- a/sdks/sdk-core/src/entities/weth9.ts
+++ b/sdks/sdk-core/src/entities/weth9.ts
@@ -23,5 +23,7 @@ export const WETH9: { [chainId: number]: Token } = {
   56: new Token(56, '0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c', 18, 'WBNB', 'Wrapped BNB'),
   137: new Token(137, '0x0d500B1d8E8eF31E21C99d1Db9A6444d3ADf1270', 18, 'WMATIC', 'Wrapped MATIC'),
   43114: new Token(43114, '0xB31f66AA3C1e785363F0875A1B74E27b85FD66c7', 18, 'WAVAX', 'Wrapped AVAX'),
+  7777777: new Token(7777777, '0x4200000000000000000000000000000000000006', 18, 'WETH', 'Wrapped Ether'),
+  81457: new Token(81457, '0x4300000000000000000000000000000000000004', 18, 'WETH', 'Wrapped Ether'),
   324: new Token(324, '0x5AEa5775959fBC2557Cc8789bC1bf90A239D9a91', 18, 'WETH', 'Wrapped Ether'),
 }