diff --git a/deploy/lib/setIamPolicy.js b/deploy/lib/setIamPolicy.js
index d2bf7cc..2443902 100644
--- a/deploy/lib/setIamPolicy.js
+++ b/deploy/lib/setIamPolicy.js
@@ -1,11 +1,12 @@
 'use strict';
 
-const BbPromise = require('bluebird');
 const ServerlessError = require('serverless/lib/classes/Error').ServerlessError;
 
 module.exports = {
   setIamPolicy() {
-    return BbPromise.bind(this).then(this.getFunctions).then(this.setPolicies);
+    return Promise.resolve()
+      .then(() => this.getFunctions())
+      .then(() => this.setPolicies());
   },
 
   getFunctions() {
@@ -29,7 +30,7 @@ module.exports = {
     // If there are no IAM policies configured with any function, there is nothing to
     // do here.
     if (!policies || !Object.keys(policies).length) {
-      return BbPromise.resolve();
+      return Promise.resolve();
     }
     this.serverless.cli.log('Setting IAM policies...');
 
@@ -67,6 +68,6 @@ module.exports = {
       }
     });
 
-    return BbPromise.all(promises);
+    return Promise.all(promises);
   },
 };
diff --git a/deploy/lib/setIamPolicy.test.js b/deploy/lib/setIamPolicy.test.js
index d8e6d96..cef4a87 100644
--- a/deploy/lib/setIamPolicy.test.js
+++ b/deploy/lib/setIamPolicy.test.js
@@ -1,7 +1,6 @@
 'use strict';
 
 const sinon = require('sinon');
-const BbPromise = require('bluebird');
 
 const GoogleProvider = require('../../provider/googleProvider');
 const GoogleDeploy = require('../googleDeploy');
@@ -39,8 +38,8 @@ describe('SetIamPolicy', () => {
     let setPoliciesStub;
 
     beforeEach(() => {
-      getFunctionsStub = sinon.stub(googleDeploy, 'getFunctions').returns(BbPromise.resolve());
-      setPoliciesStub = sinon.stub(googleDeploy, 'setPolicies').returns(BbPromise.resolve());
+      getFunctionsStub = sinon.stub(googleDeploy, 'getFunctions').returns(Promise.resolve());
+      setPoliciesStub = sinon.stub(googleDeploy, 'setPolicies').returns(Promise.resolve());
     });
 
     afterEach(() => {
@@ -58,7 +57,7 @@ describe('SetIamPolicy', () => {
 
   describe('#getFunctions', () => {
     it('should return "undefined" if no functions are found', () => {
-      requestStub.returns(BbPromise.resolve([]));
+      requestStub.returns(Promise.resolve([]));
 
       return googleDeploy.getFunctions().then((foundFunctions) => {
         expect(foundFunctions).toEqual(undefined);
@@ -81,7 +80,7 @@ describe('SetIamPolicy', () => {
       const response = {
         functions: [{ name: 'cloud-function-1' }, { name: 'cloud-function-2' }],
       };
-      requestStub.returns(BbPromise.resolve(response));
+      requestStub.returns(Promise.resolve(response));
 
       return googleDeploy.getFunctions().then((foundFunctions) => {
         expect(foundFunctions).toEqual([
@@ -160,7 +159,7 @@ describe('SetIamPolicy', () => {
       googleDeploy.serverless.service.provider.functionIamBindings = {
         'cloud-function-2': [{ role: 'roles/cloudfunctions.invoker', members: ['allUsers'] }],
       };
-      requestStub.returns(BbPromise.resolve());
+      requestStub.returns(Promise.resolve());
 
       return googleDeploy.setPolicies(foundFunctions).then(() => {
         expect(consoleLogStub.calledOnce).toEqual(true);