diff --git a/src/entities/weth9.ts b/src/entities/weth9.ts
index 560938e1..84962ad1 100644
--- a/src/entities/weth9.ts
+++ b/src/entities/weth9.ts
@@ -14,5 +14,7 @@ export const WETH9: { [chainId: number]: Token } = {
   [69]: new Token(69, '0x4200000000000000000000000000000000000006', 18, 'WETH', 'Wrapped Ether'),
 
   [42161]: new Token(42161, '0x82aF49447D8a07e3bd95BD0d56f35241523fBab1', 18, 'WETH', 'Wrapped Ether'),
-  [421611]: new Token(421611, '0xB47e6A5f8b33b3F17603C83a0535A9dcD7E32681', 18, 'WETH', 'Wrapped Ether')
+  [421611]: new Token(421611, '0xB47e6A5f8b33b3F17603C83a0535A9dcD7E32681', 18, 'WETH', 'Wrapped Ether'),
+  
+  [137]: new Token(137, '0x0d500B1d8E8eF31E21C99d1Db9A6444d3ADf1270', 18, 'WMATIC', 'Wrapped Matic')
 }