diff --git a/packages/contracts-periphery/deployments/ethereum/.chainId b/packages/contracts-periphery/deployments/mainnet/.chainId
similarity index 100%
rename from packages/contracts-periphery/deployments/ethereum/.chainId
rename to packages/contracts-periphery/deployments/mainnet/.chainId
diff --git a/packages/contracts-periphery/deployments/ethereum/AssetReceiver.json b/packages/contracts-periphery/deployments/mainnet/AssetReceiver.json
similarity index 100%
rename from packages/contracts-periphery/deployments/ethereum/AssetReceiver.json
rename to packages/contracts-periphery/deployments/mainnet/AssetReceiver.json
diff --git a/packages/contracts-periphery/deployments/ethereum/CheckBalanceHigh.json b/packages/contracts-periphery/deployments/mainnet/CheckBalanceHigh.json
similarity index 100%
rename from packages/contracts-periphery/deployments/ethereum/CheckBalanceHigh.json
rename to packages/contracts-periphery/deployments/mainnet/CheckBalanceHigh.json
diff --git a/packages/contracts-periphery/deployments/ethereum/CheckBalanceLow.json b/packages/contracts-periphery/deployments/mainnet/CheckBalanceLow.json
similarity index 100%
rename from packages/contracts-periphery/deployments/ethereum/CheckBalanceLow.json
rename to packages/contracts-periphery/deployments/mainnet/CheckBalanceLow.json
diff --git a/packages/contracts-periphery/deployments/ethereum/CheckGelatoLow.json b/packages/contracts-periphery/deployments/mainnet/CheckGelatoLow.json
similarity index 100%
rename from packages/contracts-periphery/deployments/ethereum/CheckGelatoLow.json
rename to packages/contracts-periphery/deployments/mainnet/CheckGelatoLow.json
diff --git a/packages/contracts-periphery/deployments/ethereum/CheckTrue.json b/packages/contracts-periphery/deployments/mainnet/CheckTrue.json
similarity index 100%
rename from packages/contracts-periphery/deployments/ethereum/CheckTrue.json
rename to packages/contracts-periphery/deployments/mainnet/CheckTrue.json
diff --git a/packages/contracts-periphery/deployments/ethereum/Drippie.json b/packages/contracts-periphery/deployments/mainnet/Drippie.json
similarity index 100%
rename from packages/contracts-periphery/deployments/ethereum/Drippie.json
rename to packages/contracts-periphery/deployments/mainnet/Drippie.json
diff --git a/packages/contracts-periphery/deployments/ethereum/L1ERC721Bridge.json b/packages/contracts-periphery/deployments/mainnet/L1ERC721Bridge.json
similarity index 100%
rename from packages/contracts-periphery/deployments/ethereum/L1ERC721Bridge.json
rename to packages/contracts-periphery/deployments/mainnet/L1ERC721Bridge.json
diff --git a/packages/contracts-periphery/deployments/ethereum/L1ERC721BridgeProxy.json b/packages/contracts-periphery/deployments/mainnet/L1ERC721BridgeProxy.json
similarity index 100%
rename from packages/contracts-periphery/deployments/ethereum/L1ERC721BridgeProxy.json
rename to packages/contracts-periphery/deployments/mainnet/L1ERC721BridgeProxy.json
diff --git a/packages/contracts-periphery/deployments/ethereum/TeleportrWithdrawer.json b/packages/contracts-periphery/deployments/mainnet/TeleportrWithdrawer.json
similarity index 100%
rename from packages/contracts-periphery/deployments/ethereum/TeleportrWithdrawer.json
rename to packages/contracts-periphery/deployments/mainnet/TeleportrWithdrawer.json
diff --git a/packages/contracts-periphery/deployments/ethereum/solcInputs/5bd191b00ea9c0cd6028a01f6227b05c.json b/packages/contracts-periphery/deployments/mainnet/solcInputs/5bd191b00ea9c0cd6028a01f6227b05c.json
similarity index 100%
rename from packages/contracts-periphery/deployments/ethereum/solcInputs/5bd191b00ea9c0cd6028a01f6227b05c.json
rename to packages/contracts-periphery/deployments/mainnet/solcInputs/5bd191b00ea9c0cd6028a01f6227b05c.json
diff --git a/packages/contracts-periphery/deployments/ethereum/solcInputs/66d28de48de020e62747d42ffe3118e7.json b/packages/contracts-periphery/deployments/mainnet/solcInputs/66d28de48de020e62747d42ffe3118e7.json
similarity index 100%
rename from packages/contracts-periphery/deployments/ethereum/solcInputs/66d28de48de020e62747d42ffe3118e7.json
rename to packages/contracts-periphery/deployments/mainnet/solcInputs/66d28de48de020e62747d42ffe3118e7.json
diff --git a/packages/contracts-periphery/deployments/ethereum/solcInputs/ab9b77493f35e63b7a63fb2fa8d618b4.json b/packages/contracts-periphery/deployments/mainnet/solcInputs/ab9b77493f35e63b7a63fb2fa8d618b4.json
similarity index 100%
rename from packages/contracts-periphery/deployments/ethereum/solcInputs/ab9b77493f35e63b7a63fb2fa8d618b4.json
rename to packages/contracts-periphery/deployments/mainnet/solcInputs/ab9b77493f35e63b7a63fb2fa8d618b4.json
diff --git a/packages/contracts-periphery/deployments/ethereum/solcInputs/b09909e91a3ff9823ceba49a3a845230.json b/packages/contracts-periphery/deployments/mainnet/solcInputs/b09909e91a3ff9823ceba49a3a845230.json
similarity index 100%
rename from packages/contracts-periphery/deployments/ethereum/solcInputs/b09909e91a3ff9823ceba49a3a845230.json
rename to packages/contracts-periphery/deployments/mainnet/solcInputs/b09909e91a3ff9823ceba49a3a845230.json
diff --git a/packages/contracts-periphery/hardhat.config.ts b/packages/contracts-periphery/hardhat.config.ts
index d8f3fb99118..232bcef3b99 100644
--- a/packages/contracts-periphery/hardhat.config.ts
+++ b/packages/contracts-periphery/hardhat.config.ts
@@ -52,7 +52,7 @@ const config: HardhatUserConfig = {
         },
       },
       companionNetworks: {
-        l1: 'ethereum',
+        l1: 'mainnet',
       },
     },
     'optimism-kovan': {
@@ -81,7 +81,7 @@ const config: HardhatUserConfig = {
         l1: 'goerli',
       },
     },
-    ethereum: {
+    mainnet: {
       chainId: 1,
       url: `https://mainnet.infura.io/v3/${getenv('INFURA_PROJECT_ID')}`,
       accounts,
@@ -164,7 +164,7 @@ const config: HardhatUserConfig = {
     deployments: {
       goerli: ['../contracts/deployments/goerli'],
       kovan: ['../contracts/deployments/kovan'],
-      ethereum: ['../contracts/deployments/mainnet'],
+      mainnet: ['../contracts/deployments/mainnet'],
     },
   },
   deployConfigSpec: configSpec,