3 files changed, 14 insertions, 5 deletions
diff --git a/packages/base-contract/CHANGELOG.json b/packages/base-contract/CHANGELOG.json
index ed3c86465..c5d467b7f 100644
--- a/packages/base-contract/CHANGELOG.json
+++ b/packages/base-contract/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "version": "0.3.0",
+        "changes": [
+            {
+                "note": "Update ethers-contracts to ethers.js",
+                "pr": 540
+            }
+        ]
+    },
+    {
         "timestamp": 1524044013,
         "version": "0.2.1",
         "changes": [
diff --git a/packages/base-contract/package.json b/packages/base-contract/package.json
index 22ae43cdc..78dcbfe7f 100644
--- a/packages/base-contract/package.json
+++ b/packages/base-contract/package.json
@@ -42,7 +42,7 @@
         "@0xproject/typescript-typings": "^0.2.0",
         "@0xproject/utils": "^0.5.2",
         "@0xproject/web3-wrapper": "^0.6.1",
-        "ethers-contracts": "^2.2.1",
+        "ethers": "^3.0.15",
         "lodash": "^4.17.4"
     },
     "publishConfig": {
diff --git a/packages/base-contract/src/index.ts b/packages/base-contract/src/index.ts
index bfa99fac1..e95b18db6 100644
--- a/packages/base-contract/src/index.ts
+++ b/packages/base-contract/src/index.ts
@@ -10,13 +10,13 @@ import {
 } from '@0xproject/types';
 import { abiUtils, BigNumber } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
-import * as ethersContracts from 'ethers-contracts';
+import * as ethers from 'ethers';
 import * as _ from 'lodash';
 
 import { formatABIDataItem } from './utils';
 
 export interface EthersInterfaceByFunctionSignature {
-    [key: string]: ethersContracts.Interface;
+    [key: string]: ethers.Interface;
 }
 
 export class BaseContract {
@@ -62,7 +62,7 @@ export class BaseContract {
         }
         return txDataWithDefaults;
     }
-    protected _lookupEthersInterface(functionSignature: string): ethersContracts.Interface {
+    protected _lookupEthersInterface(functionSignature: string): ethers.Interface {
         const ethersInterface = this._ethersInterfacesByFunctionSignature[functionSignature];
         if (_.isUndefined(ethersInterface)) {
             throw new Error(`Failed to lookup method with function signature '${functionSignature}'`);
@@ -92,7 +92,7 @@ export class BaseContract {
         this._ethersInterfacesByFunctionSignature = {};
         _.each(methodAbis, methodAbi => {
             const functionSignature = abiUtils.getFunctionSignature(methodAbi);
-            this._ethersInterfacesByFunctionSignature[functionSignature] = new ethersContracts.Interface([methodAbi]);
+            this._ethersInterfacesByFunctionSignature[functionSignature] = new ethers.Interface([methodAbi]);
         });
     }
 }