2 files changed, 2 insertions, 2 deletions
diff --git a/packages/0x.js/test/utils/fill_scenarios.ts b/packages/0x.js/test/utils/fill_scenarios.ts
index 734db8ee6..1a61487f4 100644
--- a/packages/0x.js/test/utils/fill_scenarios.ts
+++ b/packages/0x.js/test/utils/fill_scenarios.ts
@@ -1,5 +1,5 @@
+import { BigNumber } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
-import BigNumber from 'bignumber.js';
 
 import { SignedOrder, Token, ZeroEx } from '../../src';
 import { artifacts } from '../../src/artifacts';
diff --git a/packages/0x.js/test/utils/order_factory.ts b/packages/0x.js/test/utils/order_factory.ts
index 04768af65..60a7c5fb2 100644
--- a/packages/0x.js/test/utils/order_factory.ts
+++ b/packages/0x.js/test/utils/order_factory.ts
@@ -1,4 +1,4 @@
-import BigNumber from 'bignumber.js';
+import { BigNumber } from '@0xproject/utils';
 import * as _ from 'lodash';
 
 import { SignedOrder, ZeroEx } from '../../src';