diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
index b4c2c09c39..fe92a36807 100644
--- a/packages/types/src/index.ts
+++ b/packages/types/src/index.ts
@@ -428,6 +428,8 @@ export interface OrdersRequestOpts {
     senderAddress?: string;
     makerAssetData?: string;
     takerAssetData?: string;
+    makerFeeAssetData?: string;
+    takerFeeAssetData?: string;
     makerAddress?: string;
     takerAddress?: string;
     traderAddress?: string;
@@ -467,6 +469,8 @@ export interface OrderConfigResponse {
     takerFee: BigNumber;
     feeRecipientAddress: string;
     senderAddress: string;
+    makerFeeAssetData: string;
+    takerFeeAssetData: string;
 }
 
 export type FeeRecipientsResponse = PaginatedCollection<string>;