diff --git a/ethers-addressbook/src/contracts/contracts.json b/ethers-addressbook/src/contracts/contracts.json
index c852e0004..6a5166514 100644
--- a/ethers-addressbook/src/contracts/contracts.json
+++ b/ethers-addressbook/src/contracts/contracts.json
@@ -10,6 +10,11 @@
 			"mainnet": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"
 		}
 	},
+	"usdt": {
+		"addresses": {
+			"mainnet": "0xdAC17F958D2ee523a2206206994597C13D831ec7"
+		}
+	},
 	"weth": {
 		"addresses": {
 			"mainnet": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
diff --git a/ethers-addressbook/src/lib.rs b/ethers-addressbook/src/lib.rs
index 3eddf8634..eda16efe9 100644
--- a/ethers-addressbook/src/lib.rs
+++ b/ethers-addressbook/src/lib.rs
@@ -41,6 +41,7 @@ mod tests {
     fn test_tokens() {
         assert!(contract("dai").is_some());
         assert!(contract("usdc").is_some());
+        assert!(contract("usdt").is_some());
         assert!(contract("rand").is_none());
     }