1 files changed, 2 insertions, 0 deletions
diff --git a/packages/instant/src/types.ts b/packages/instant/src/types.ts
index 336465e43..e92e96e9a 100644
--- a/packages/instant/src/types.ts
+++ b/packages/instant/src/types.ts
@@ -1,6 +1,8 @@
 import { AssetProxyId, ObjectMap } from '@0x/types';
+import { BigNumber } from '@0x/utils';
 
 // Reusable
+export type MaybeBigNumber = BigNumber | undefined;
 export enum AsyncProcessState {
     NONE = 'None',
     PENDING = 'Pending',