diff --git a/prove_block.sh b/prove_block.sh
index f1643910..730b27e8 100755
--- a/prove_block.sh
+++ b/prove_block.sh
@@ -27,7 +27,7 @@ rangeEnd="$4"
 if [ "$chain" == "ethereum" ]; then
   rpc="https://rpc.ankr.com/eth"
 elif [ "$chain" == "holesky" ]; then
- rpc="http://localhost:8545/"
+ rpc="https://ethereum-holesky-rpc.publicnode.com"
 elif [ "$chain" == "taiko_a6" ]; then
   rpc="https://rpc.katla.taiko.xyz"
   l1Rpc="https://l1rpc.katla.taiko.xyz"