diff --git a/config.json b/config.json
index ff189fd..66f30a5 100644
--- a/config.json
+++ b/config.json
@@ -80,7 +80,7 @@
             "NAME": "Swimmer Testnet",
             "TOKEN": "TUS",
             "RPC": "https://subnets.avax.network/swimmer/testnet/rpc",
-            "CHAINID": 73771,
+            "CHAINID": 73773,
             "EXPLORER": "https://subnets.avax.network/swimmer/testnet/explorer",
             "IMAGE": "https://raw.githubusercontent.com/ava-labs/subnet-assets/main/chains/73771/chain-logo.png",
             "MAX_PRIORITY_FEE": "2000000000",
@@ -185,4 +185,4 @@
             }
         }
     ]
-}
\ No newline at end of file
+}