diff --git a/foundry.toml b/foundry.toml
index 62aa113..1d19813 100644
--- a/foundry.toml
+++ b/foundry.toml
@@ -20,6 +20,8 @@ bsc = "${BSC_RPC_URL}"
 bsc_testnet = "${BSC_TESTNET_RPC_URL}"
 avalanche = "${AVALANCHE_RPC_URL}"
 avalanche_fuji = "${AVALANCHE_FUJI_RPC_URL}"
+celo = "${CELO_RPC_URL}"
+celo_alfajores = "${CELO_ALFAJORES_RPC_URL}"
 
 [etherscan]
 mainnet = { key = "${MAINNET_ETHERSCAN_API_KEY}" }
@@ -36,3 +38,5 @@ bsc = { key = "${BSC_ETHERSCAN_API_KEY}", chain = 56, url = "https://api.bscscan
 bsc_testnet = { key = "${BSC_ETHERSCAN_API_KEY}", chain = 97, url = "https://api-testnet.bscscan.com/api" }
 avalanche = { key = "${AVALANCHE_ETHERSCAN_API_KEY}", chain = 43114, url = "https://api.routescan.io/v2/network/mainnet/evm/43114/etherscan" }
 avalanche_fuji = { key = "${AVALANCHE_ETHERSCAN_API_KEY}", chain = 43113, url = "https://api.routescan.io/v2/network/testnet/evm/43113/etherscan" }
+celo = { key = "${CELO_ETHERSCAN_API_KEY}", chain = 42220, url = "https://api.celoscan.io/api" }
+celo_alfajores = { key = "${CELO_ETHERSCAN_API_KEY}", chain = 44787, url = "https://api-alfajores.celoscan.io/api" }