diff --git a/arb/nitro/apechain-mainnet-nitro-archive-pebble-hash.yml b/arb/nitro/apechain-mainnet-nitro-archive-pebble-hash.yml
index 8ead1d7c..59ec1bcb 100644
--- a/arb/nitro/apechain-mainnet-nitro-archive-pebble-hash.yml
+++ b/arb/nitro/apechain-mainnet-nitro-archive-pebble-hash.yml
@@ -73,7 +73,7 @@ services:
       - --node.feed.input.url=wss://apechain.calderachain.xyz/feed
       - --node.sequencer=false
       - --node.staker.enable=false
-      - --parent-chain.connection.url=${ARBITRUM_ONE_EXECUTION_RPC}
+      - --parent-chain.connection.url=https://arb1.arbitrum.io/rpc
       - --persistent.chain=/root/.arbitrum/apechain-mainnet-archive
       - --persistent.db-engine=pebble
       - --ws.addr=0.0.0.0
diff --git a/arb/nitro/apechain-mainnet-nitro-pruned-pebble-path.yml b/arb/nitro/apechain-mainnet-nitro-pruned-pebble-path.yml
index b33b72ac..ff1ebcd7 100644
--- a/arb/nitro/apechain-mainnet-nitro-pruned-pebble-path.yml
+++ b/arb/nitro/apechain-mainnet-nitro-pruned-pebble-path.yml
@@ -73,7 +73,7 @@ services:
       - --node.feed.input.url=wss://apechain.calderachain.xyz/feed
       - --node.sequencer=false
       - --node.staker.enable=false
-      - --parent-chain.connection.url=${ARBITRUM_ONE_EXECUTION_RPC}
+      - --parent-chain.connection.url=https://arb1.arbitrum.io/rpc
       - --persistent.chain=/root/.arbitrum/apechain-mainnet
       - --persistent.db-engine=pebble
       - --ws.addr=0.0.0.0