diff --git a/projects/hello-world/contracts/Makefile b/projects/hello-world/contracts/Makefile
index 64cbe8c..252e829 100644
--- a/projects/hello-world/contracts/Makefile
+++ b/projects/hello-world/contracts/Makefile
@@ -3,7 +3,7 @@
 
 # anvil's third default address
 sender := ###PRIVATE_KEY###
-RPC_URL :=  https://base-rpc.publicnode.com
+RPC_URL :=  ###RPC_URL###
 
 # deploying the contract
 deploy: