diff --git a/types/gloas/execution_payload_bid.yaml b/types/gloas/execution_payload_bid.yaml
index e500bdd2..da4cbc30 100644
--- a/types/gloas/execution_payload_bid.yaml
+++ b/types/gloas/execution_payload_bid.yaml
@@ -2,7 +2,7 @@ Gloas:
   ExecutionPayloadBid:
     type: object
     description: "The [`ExecutionPayloadBid`](https://github.com/ethereum/consensus-specs/blob/00d531949b1f30516979b60ddd2a411e7f388299/specs/gloas/beacon-chain.md#executionpayloadbid) object from the CL Gloas spec."
-    required: [parent_block_hash, parent_block_root, block_hash, fee_recipient, gas_limit, builder_index, slot, value, execution_payment, blob_kzg_commitments_root]
+    required: [parent_block_hash, parent_block_root, block_hash, prev_randao, fee_recipient, gas_limit, builder_index, slot, value, execution_payment, blob_kzg_commitments_root]
     properties:
       parent_block_hash:
         $ref: "../primitive.yaml#/Root"
@@ -10,6 +10,8 @@ Gloas:
         $ref: "../primitive.yaml#/Root"
       block_hash:
         $ref: "../primitive.yaml#/Root"
+      prev_randao:
+        $ref: "../primitive.yaml#/Root"
       fee_recipient:
         $ref: "../primitive.yaml#/ExecutionAddress"
       gas_limit: