3 files changed, 3 insertions, 0 deletions
diff --git a/packages/order-utils/test/assert_test.ts b/packages/order-utils/test/assert_test.ts
index dfd19bf86..033fd6732 100644
--- a/packages/order-utils/test/assert_test.ts
+++ b/packages/order-utils/test/assert_test.ts
@@ -1,5 +1,6 @@
 import { web3Factory } from '@0xproject/dev-utils';
 import * as chai from 'chai';
+import 'make-promises-safe';
 import 'mocha';
 
 import { assert } from '../src/assert';
diff --git a/packages/order-utils/test/order_hash_test.ts b/packages/order-utils/test/order_hash_test.ts
index b6dda1a43..db5489509 100644
--- a/packages/order-utils/test/order_hash_test.ts
+++ b/packages/order-utils/test/order_hash_test.ts
@@ -1,6 +1,7 @@
 import { web3Factory } from '@0xproject/dev-utils';
 import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
+import 'make-promises-safe';
 import 'mocha';
 
 import { constants, getOrderHashHex } from '../src';
diff --git a/packages/order-utils/test/signature_utils_test.ts b/packages/order-utils/test/signature_utils_test.ts
index 4a78592aa..e24fa0ce5 100644
--- a/packages/order-utils/test/signature_utils_test.ts
+++ b/packages/order-utils/test/signature_utils_test.ts
@@ -3,6 +3,7 @@ import { JSONRPCErrorCallback, JSONRPCRequestPayload } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
 import * as _ from 'lodash';
+import 'make-promises-safe';
 import 'mocha';
 import * as Sinon from 'sinon';