diff --git a/execution/execution.proto b/execution/execution.proto
index 817e3ef..60f7482 100644
--- a/execution/execution.proto
+++ b/execution/execution.proto
@@ -51,9 +51,10 @@ message Header {
   types.H256 ommer_hash = 15;
   types.H256 transaction_hash = 16;
   optional types.H256 base_fee_per_gas = 17;
-  optional types.H256 withdrawal_hash = 18;
-  optional uint64 blob_gas_used = 19;
-  optional uint64 excess_blob_gas = 20;
+  optional types.H256 withdrawal_hash = 18;          // added in Shapella (EIP-4895)
+  optional uint64 blob_gas_used = 19;                // added in Dencun (EIP-4844)
+  optional uint64 excess_blob_gas = 20;              // added in Dencun (EIP-4844)
+  optional types.H256 parent_beacon_block_root = 21; // added in Dencun (EIP-4788)
 }
 
 // Body is a block body for execution
@@ -113,11 +114,12 @@ message ValidationRequest {
 }
 
 message AssembleBlockRequest {
-	types.H256 parentHash = 1;
+    types.H256 parent_hash = 1;
     uint64 timestamp = 2;
-    types.H256 mixDigest = 3;
-    types.H160 suggestedFeeRecipent = 4;
-    repeated types.Withdrawal withdrawals = 5;
+    types.H256 prev_randao = 3;
+    types.H160 suggested_fee_recipient = 4;
+    repeated types.Withdrawal withdrawals = 5;        // added in Shapella (EIP-4895)
+    optional types.H256 parent_beacon_block_root = 6; // added in Dencun (EIP-4788)
 }
 
 message AssembleBlockResponse {