diff --git a/config/src/main/resources/goerli.json b/config/src/main/resources/goerli.json
index f819d4deb1..12e52390c2 100644
--- a/config/src/main/resources/goerli.json
+++ b/config/src/main/resources/goerli.json
@@ -22,9 +22,9 @@
       ]
     },
     "checkpoint": {
-      "hash": "0x2ae30061bdfc7f6dad5b07361dce436502eb0fde68645de12bae4929be619188",
-      "number": 6720000,
-      "totalDifficulty": "0x967F81",
+      "hash": "0x50e55c39a725f062af438c5332a5c5bec9a36d02c829ee6ac2cc27d1db719446",
+      "number": 4350000,
+      "totalDifficulty": "0x61DBBF",
       "_comment": "must be the beginning of an epoch"
     }
   },
diff --git a/config/src/main/resources/mainnet.json b/config/src/main/resources/mainnet.json
index 1ae9964a92..805a668c76 100644
--- a/config/src/main/resources/mainnet.json
+++ b/config/src/main/resources/mainnet.json
@@ -35,9 +35,9 @@
       ]
     },
     "checkpoint": {
-      "hash": "0x844d581cb00058d19f0584fb582fa2de208876ee56bbae27446a679baf4633f4",
-      "number": 14700000,
-      "totalDifficulty": "0xA2539264C62BF98CFC6"
+      "hash": "0x44bca881b07a6a09f83b130798072441705d9a665c5ac8bdf2f39a3cdf3bee29",
+      "number": 11052984,
+      "totalDifficulty": "0x3D103014E5C74E5E196"
     }
   },
   "nonce": "0x42",
diff --git a/config/src/main/resources/ropsten.json b/config/src/main/resources/ropsten.json
index 3912705c18..ffd10f68fd 100644
--- a/config/src/main/resources/ropsten.json
+++ b/config/src/main/resources/ropsten.json
@@ -23,9 +23,9 @@
       ]
     },
     "checkpoint": {
-      "hash": "0x43de216f876d897e59b9757dd24186e5b53be28bc425ca6a966335b48daaa50c",
-      "number": 12200000,
-      "totalDifficulty": "0x928D05243C1CF4"
+      "hash": "0xeefb1f70bf7bed6394ed7d6f812f422aa37bf7680e1b75fa551d40e849f10a87",
+      "number": 12269949,
+      "totalDifficulty": "0x94730AAE0106DC"
     }
   },
   "nonce": "0x0000000000000042",
diff --git a/config/src/main/resources/sepolia.json b/config/src/main/resources/sepolia.json
index e91896ef74..d560a5e415 100644
--- a/config/src/main/resources/sepolia.json
+++ b/config/src/main/resources/sepolia.json
@@ -19,6 +19,11 @@
         "enode://9246d00bc8fd1742e5ad2428b80fc4dc45d786283e05ef6edbd9002cbc335d40998444732fbe921cb88e1d2c73d1b1de53bae6a2237996e9bfe14f871baf7066@18.168.182.86:30303",
         "enode://ec66ddcf1a974950bd4c782789a7e04f8aa7110a72569b6e65fcd51e937e74eed303b1ea734e4d19cfaec9fbff9b6ee65bf31dcb50ba79acce9dd63a6aca61c7@52.14.151.177:30303"
       ]
+    },
+    "checkpoint": {
+      "hash": "0x491ebac1b7f9c0eb426047a495dc577140cb3e09036cd3f7266eda86b635d9fa",
+      "number": 1273020,
+      "totalDifficulty": "0x13DE1653E7D280"
     }
   },
   "alloc":{
diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/websocket/subscription/blockheaders/NewBlockHeadersSubscriptionService.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/websocket/subscription/blockheaders/NewBlockHeadersSubscriptionService.java
index d97bae0bd7..780caef504 100644
--- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/websocket/subscription/blockheaders/NewBlockHeadersSubscriptionService.java
+++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/websocket/subscription/blockheaders/NewBlockHeadersSubscriptionService.java
@@ -22,7 +22,7 @@ import org.hyperledger.besu.ethereum.api.jsonrpc.websocket.subscription.request.
 import org.hyperledger.besu.ethereum.api.query.BlockchainQueries;
 import org.hyperledger.besu.ethereum.chain.BlockAddedEvent;
 import org.hyperledger.besu.ethereum.chain.BlockAddedObserver;
-import org.hyperledger.besu.ethereum.core.Block;
+import org.hyperledger.besu.ethereum.core.BlockHeader;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -46,8 +46,8 @@ public class NewBlockHeadersSubscriptionService implements BlockAddedObserver {
   @Override
   public void onBlockAdded(final BlockAddedEvent event) {
     if (event.isNewCanonicalHead()) {
-      final List<Block> blocks = new ArrayList<>();
-      Block blockPtr = event.getBlock();
+      final List<BlockHeader> blocks = new ArrayList<>();
+      BlockHeader blockPtr = event.getBlock().getHeader();
 
       while (!blockPtr.getHash().equals(event.getCommonAncestorHash())) {
         blocks.add(blockPtr);
@@ -55,7 +55,7 @@ public class NewBlockHeadersSubscriptionService implements BlockAddedObserver {
         blockPtr =
             blockchainQueries
                 .getBlockchain()
-                .getBlockByHash(blockPtr.getHeader().getParentHash())
+                .getBlockHeader(blockPtr.getParentHash())
                 .orElseThrow(() -> new IllegalStateException("The block was on a orphaned chain."));
       }