diff --git a/package.json b/package.json
index d66d473..ae51dfd 100644
--- a/package.json
+++ b/package.json
@@ -43,6 +43,7 @@
   ],
   "license": "Apache-2.0",
   "dependencies": {
+    "bluebird": "^3.1.1",
     "debug": "^2.2.0",
     "gulp": "^3.9.0",
     "gulp-util": "^3.0.7",
diff --git a/src/gulp-jsdoc.js b/src/gulp-jsdoc.js
index 6788806..2422f8d 100644
--- a/src/gulp-jsdoc.js
+++ b/src/gulp-jsdoc.js
@@ -3,6 +3,7 @@ import tmp from 'tmp';
 import fs from 'fs';
 import path from 'path';
 import gutil from 'gulp-util';
+import Promise from 'bluebird';
 var os = require('os').type();
 
 var debug = require('debug')('gulp-jsdoc3');