diff --git a/ethers-addressbook/src/contracts/contracts.json b/ethers-addressbook/src/contracts/contracts.json
index 76c4ce7b..fd7cfc09 100644
--- a/ethers-addressbook/src/contracts/contracts.json
+++ b/ethers-addressbook/src/contracts/contracts.json
@@ -9,5 +9,11 @@
 		"addresses": {
 			"mainnet": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"
 		}
+	},
+	"weth": {
+		"addresses": {
+			"mainnet": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
+			"rinkeby": "0xc778417E063141139Fce010982780140Aa0cD5Ab"
+		}
 	}
 }