diff --git a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/mainnet/MainnetProtocolSpecs.java b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/mainnet/MainnetProtocolSpecs.java
index 02f757483df..5946edf4de0 100644
--- a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/mainnet/MainnetProtocolSpecs.java
+++ b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/mainnet/MainnetProtocolSpecs.java
@@ -624,7 +624,8 @@ static ProtocolSpecBuilder shanghaiDefinition(
                     Set.of(
                         TransactionType.FRONTIER,
                         TransactionType.ACCESS_LIST,
-                        TransactionType.EIP1559),
+                        TransactionType.EIP1559,
+                        TransactionType.BLOB),
                     SHANGHAI_INIT_CODE_SIZE_LIMIT))
         .withdrawalsProcessor(new WithdrawalsProcessor())
         .withdrawalsValidator(new WithdrawalsValidator.AllowedWithdrawals())