diff --git a/ethereum/reth/ethereum-holesky-reth-archive-trace.yml b/ethereum/reth/ethereum-holesky-reth-archive-trace.yml
index 2cbcb485..e7b1fd84 100644
--- a/ethereum/reth/ethereum-holesky-reth-archive-trace.yml
+++ b/ethereum/reth/ethereum-holesky-reth-archive-trace.yml
@@ -61,7 +61,7 @@ services:
         "--monitoring-host=0.0.0.0",
         "--p2p-tcp-port=15752",
         "--p2p-udp-port=15752",
-        "--checkpoint-sync-url=None",
+        "--checkpoint-sync-url=https://holesky.beaconstate.info",
         "--execution-endpoint=http://ethereum-holesky-archive:8551",
         "--enable-historical-state-representation=false",
         "--beacon-db-pruning",
diff --git a/ethereum/reth/ethereum-holesky-reth-pruned-trace.yml b/ethereum/reth/ethereum-holesky-reth-pruned-trace.yml
index 83cc073a..936823e6 100644
--- a/ethereum/reth/ethereum-holesky-reth-pruned-trace.yml
+++ b/ethereum/reth/ethereum-holesky-reth-pruned-trace.yml
@@ -61,7 +61,7 @@ services:
         "--monitoring-host=0.0.0.0",
         "--p2p-tcp-port=15849",
         "--p2p-udp-port=15849",
-        "--checkpoint-sync-url=None",
+        "--checkpoint-sync-url=https://holesky.beaconstate.info",
         "--execution-endpoint=http://ethereum-holesky:8551",
         "--enable-historical-state-representation=false",
         "--beacon-db-pruning",
diff --git a/ethereum/reth/ethereum-mainnet-reth-archive-trace.yml b/ethereum/reth/ethereum-mainnet-reth-archive-trace.yml
index ae257a08..cea97585 100644
--- a/ethereum/reth/ethereum-mainnet-reth-archive-trace.yml
+++ b/ethereum/reth/ethereum-mainnet-reth-archive-trace.yml
@@ -61,7 +61,7 @@ services:
         "--monitoring-host=0.0.0.0",
         "--p2p-tcp-port=15563",
         "--p2p-udp-port=15563",
-        "--checkpoint-sync-url=None",
+        "--checkpoint-sync-url=https://sync-mainnet.beaconcha.in",
         "--execution-endpoint=http://ethereum-mainnet-archive:8551",
         "--enable-historical-state-representation=false",
         "--beacon-db-pruning",
diff --git a/ethereum/reth/ethereum-mainnet-reth-pruned-trace.yml b/ethereum/reth/ethereum-mainnet-reth-pruned-trace.yml
index 42272c58..426862ff 100644
--- a/ethereum/reth/ethereum-mainnet-reth-pruned-trace.yml
+++ b/ethereum/reth/ethereum-mainnet-reth-pruned-trace.yml
@@ -61,7 +61,7 @@ services:
         "--monitoring-host=0.0.0.0",
         "--p2p-tcp-port=15150",
         "--p2p-udp-port=15150",
-        "--checkpoint-sync-url=None",
+        "--checkpoint-sync-url=https://sync-mainnet.beaconcha.in",
         "--execution-endpoint=http://ethereum-mainnet:8551",
         "--enable-historical-state-representation=false",
         "--beacon-db-pruning",
diff --git a/ethereum/reth/ethereum-sepolia-reth-archive-trace.yml b/ethereum/reth/ethereum-sepolia-reth-archive-trace.yml
index 484776e5..09733090 100644
--- a/ethereum/reth/ethereum-sepolia-reth-archive-trace.yml
+++ b/ethereum/reth/ethereum-sepolia-reth-archive-trace.yml
@@ -61,7 +61,7 @@ services:
         "--monitoring-host=0.0.0.0",
         "--p2p-tcp-port=15330",
         "--p2p-udp-port=15330",
-        "--checkpoint-sync-url=None",
+        "--checkpoint-sync-url=https://sepolia.beaconstate.info",
         "--execution-endpoint=http://ethereum-sepolia-archive:8551",
         "--enable-historical-state-representation=false",
         "--beacon-db-pruning",
diff --git a/ethereum/reth/ethereum-sepolia-reth-pruned-trace.yml b/ethereum/reth/ethereum-sepolia-reth-pruned-trace.yml
index 720bc4d6..e4c29fb3 100644
--- a/ethereum/reth/ethereum-sepolia-reth-pruned-trace.yml
+++ b/ethereum/reth/ethereum-sepolia-reth-pruned-trace.yml
@@ -61,7 +61,7 @@ services:
         "--monitoring-host=0.0.0.0",
         "--p2p-tcp-port=15150",
         "--p2p-udp-port=15150",
-        "--checkpoint-sync-url=None",
+        "--checkpoint-sync-url=https://sepolia.beaconstate.info",
         "--execution-endpoint=http://ethereum-sepolia:8551",
         "--enable-historical-state-representation=false",
         "--beacon-db-pruning",