diff --git a/projects/hello-world/contracts/Makefile b/projects/hello-world/contracts/Makefile
index 2af9de7..64cbe8c 100644
--- a/projects/hello-world/contracts/Makefile
+++ b/projects/hello-world/contracts/Makefile
@@ -2,8 +2,8 @@
 .phony: deploy
 
 # anvil's third default address
-sender := 0x5de4111afa1a4b94908f83103eb1f1706367c2e68ca870fc3fb9a804cdab365a
-RPC_URL := http://localhost:8545
+sender := ###PRIVATE_KEY###
+RPC_URL :=  https://base-rpc.publicnode.com
 
 # deploying the contract
 deploy: