diff --git a/core/netparams/bridge_mapping.go b/core/netparams/bridge_mapping.go
index cd7b9f6a20c..39c444a370c 100644
--- a/core/netparams/bridge_mapping.go
+++ b/core/netparams/bridge_mapping.go
@@ -17,9 +17,11 @@ package netparams
 
 var stagnet1 = `{"network_id": "421614", "chain_id": "421614", "collateral_bridge_contract": { "address": "0x52d95d30fc8e4d8fe9cc7ce285d0c07c8e629719" }, "confirmations": 3, "multisig_control_contract": { "address": "0x764c51de728f09407f7f073f63fc0a8a6adf110e", "deployment_block_height": 27160717 }}}`
 
+var testnet = `{"network_id": "421614", "chain_id": "421614", "collateral_bridge_contract": { "address": "0x204F34b7D14b7eca9f95D9D6322bbdc2e51eCAa7" }, "confirmations": 3, "multisig_control_contract": { "address": "0x0A3f3E72FCe9862c750B0682aA75bb7261b3eb15", "deployment_block_height": 31628794 }}}`
+
 var bridgeMapping = map[string]string{
 	"vega-stagnet1-202307191148":       stagnet1,
-	"vega-fairground-202305051805":     "{}",
+	"vega-fairground-202305051805":     testnet,
 	"vega-mainnet-mirror-202306231148": "{}",
 	"vega-testnet-0002-v4":             "{}",
 	"vega-mainnet-0011":                "{}",